open-source Pricing model
582 tools · updated 2026-09-13
Browse 582 tools tagged with open-source (pricing model). Filter by pricing, platform, language and more. The list below shows every tool matching this pricing model. Each entry links to a full page with pricing, platforms, integrations, and API availability.
All 582 tools
- 🚀 Auto-GPT-SEO
Autonomous AI agents tailored for executing complex SEO tasks and keyword strategies
open-sourceAPI - 📝 Hugging Face Transformers
Open-source library to build and test NLP models for understanding conversational voice queries
open-sourceAPI - 🤖 Hugging Face
Open-source platform for NLP and machine learning models
open-sourceAPI - 🏗️ Next.js
React framework for building SEO-friendly web applications with server-side rendering and static generation
open-sourceAPI - 🏗️ Next.js i18n Routing
Built-in internationalized routing for Next.js apps with automatic locale detection and SEO optimization
open-sourceAPI - 🛡️ Hugging Face Models
Platform to run open-source LLMs to audit how different models categorize specific domains
open-sourceAPI - 🧩 Next.js Metadata Favicon
Integrated framework utility for managing favicons via the Metadata API in Next.js 13+ and 14+ projects
open-sourceAPI - 🏗️ Deno.serve
Modern, secure router and server for Deno-based domain infrastructures
open-sourceAPI - ⚙️ LangChain
Framework for developing LLM applications with integrated source citation tracking
open-sourceAPI - ⛓️ LangChain-SEO-Check
Open source integration for monitoring RAG retrieval frequency of specific domains
open-sourceAPI - 💻 yt-dlp
Open-source command-line tool for downloading videos and extracting metadata for analysis
open-source - 🚉 Hugo
Fastest open-source static site generator for massive SEO-ready architectures
open-source - 📡 Bun.serve
Extremely fast HTTP server and router for modern JavaScript environments
open-sourceAPI - 🎭 Playwright
Framework for Web testing and automation that enables reliable end-to-end testing for modern web apps
open-sourceAPI - 🚄 FastAPI-SEO-API
Template for building high-performance SEO microservices and custom internal tools
open-sourceAPI - 🛠️ Hoppscotch
Open-source API development ecosystem used by SEOs to test and debug headless CMS endpoints and schema APIs
open-source - 📦 Strapi
Open-source headless CMS that provides full control over eCommerce SEO metadata via API
open-sourceAPI - 🏗️ Strapi SEO Plugin
Open-source plugin for Strapi CMS to manage meta tags sitemaps and social sharing previews
open-sourceAPI - 🚄 Nuxt
Intuitive Vue framework for server-side rendering and static site generation focusing on performance
open-sourceAPI - ⚡ Caddy Server
Powerful, enterprise-ready open source web server with automatic HTTPS routing
open-sourceAPI - 🏠 Kuma
Self-hosted uptime monitoring tool like Uptime Robot but with a clean UI
open-sourceAPI - 🦙 Llama 3 (Meta)
Highly capable open-source large language model for private AI content infrastructure
open-sourceAPI - 🕵️ Sherlock
Powerful CLI tool to find usernames across over 400 social networks for footprinting
open-source - 🛠️ Hugging Face SEO Tools
Community-driven machine learning models for title generation and content classification
open-sourceAPI - 🐘 Mastodon
Decentralized social profiles that provide high crawlable search signals
open-sourceAPI - ✍️ Ghost
Open-source publishing platform focused on speed and native SEO features
open-sourceAPI - 🚦 Traefik
Cloud-native edge router that automatically discovers and configures routing
open-sourceAPI - 📦 Meilisearch
Lightning fast open-source search engine API to improve site-search SEO and UX
open-sourceAPI - 🚀 Astro
The web framework for content-driven websites with built-in SEO optimizations and API routes
open-sourceAPI - 📝 n8n
Fair-code workflow automation tool for hosting private SEO automation pipelines
open-sourceAPI - 📈 ClickHouse
Fast open-source column-oriented database for real-time log analytics
open-sourceAPI - 🐳 LazyDocker
Simple terminal UI for docker and docker-compose written in Go
open-source - 🏗️ LlamaIndex
Framework for connecting private data to LLMs for custom GEO applications
open-sourceAPI - 🧩 Metabase
Open-source BI tool that makes SEO data exploration easy for teams
open-sourceAPI - 🖥️ Streamlit SEO Dashboard
Interactive web-based dashboard for visualizing Search Console and GA4 data built with Streamlit and Python
open-sourceAPI - 🧠 Spacy
Industrial-strength NLP for advanced content analysis and semantic keyword clustering
open-sourceAPI - 🏗️ Directus SEO
Open-data platform that turns any SQL database into a headless CMS with SEO meta management
open-sourceAPI - 🛡️ AdGuard Home
Network-wide software for blocking ads and tracking and managing DNS traffic
open-sourceAPI - ⚡ K6
Open-source load testing tool for monitoring site performance under stress
open-sourceAPI - ⚡ Medusa
The open-source Shopify alternative focused on developer experience and high-speed SEO performance
open-sourceAPI - 📝 Loki
Horizontally-scalable highly-available multi-tenant log aggregation system
open-sourceAPI - 🌊 React Flow
Open-source library for building node-based editors and behavior visualizers
open-sourceAPI - 🏗️ PostHog Replay
Self-hostable session recording for developers who want full data control
open-sourceAPI - 📉 Umami
Self-hosted privacy-focused open-source analytics with a simple interface
open-sourceAPI - 📦 WebArchiver
Open-source tool to create local archives of websites for change comparison
open-sourceAPI - 🛒 Saleor
Headless open-source eCommerce platform with high-performance GraphQL API and SEO-optimized storefronts
open-sourceAPI - 📈 PostHog
Open-source product analytics suite that provides heatmaps and session recording for SEO conversion analysis
open-sourceAPI - ⚡ Nginx Proxy Manager
Docker container for managing Nginx proxy hosts with a simple web interface
open-source - ☁️ Coolify
An open-source self-hostable alternative to Heroku/Netlify/Vercel for app deployment
open-sourceAPI - 🏗️ DSPy
Framework for programmatically optimizing language model prompts and weights for reliable content outputs
open-sourceAPI - 🧠 Gemma (Google)
Open-source family of lightweight, state-of-the-art models for AI developers
open-sourceAPI - 🖥️ GoAccess
Real-time web log analyzer and interactive viewer for terminal or browser
open-source - 🛡️ Nuclei
Fast and customizable vulnerability scanner based on simple YAML templates
open-sourceAPI - 📊 Plausible Analytics
Privacy-focused, open-source alternative to Google Analytics with lightweight script
open-sourceAPI - 🌑 Squoosh CLI
Command line version of the popular image optimizer
open-source - ⚙️ Web-Check
All-in-one open-source OSINT and technical SEO tool for analyzing infrastructure and headers
open-sourceAPI - 📐 SvelteKit Routing
Filesystem-based routing framework for building highly optimized domain paths
open-sourceAPI - 🔔 Changedetection.io
Self-hosted open-source website change detection and notification service
open-sourceAPI - 🚀 PyScript-SEO
Run Python SEO scripts directly in the browser for client-side audit tools
open-source - 🤖 GPT-Researcher
Autonomous agent designed for comprehensive online SEO and topical research
open-sourceAPI - 📜 SingleFile
Chrome extension that saves an entire page into a single HTML file for archiving
open-source - 🧱 Vector by Datadog
High-performance observability data pipeline for collecting and transforming logs
open-sourceAPI - 🧮 Airbyte
Open-source data integration engine for syncing SEO data to warehouses
open-sourceAPI - 🧠 Bert-SEO-Cluster
Use BERT embeddings to cluster keywords by intent and semantic meaning automatically
open-sourceAPI - 🏗️ PWA Builder Icon Generator
Microsoft-backed tool to generate a full suite of icons required for a Progressive Web App (PWA) manifest
open-sourceAPI - 📦 VitePress
Static site generator focused on documentation with superior SEO defaults
open-source - 🔍 SearXNG
Privacy-respecting metasearch engine and alternative to Google
open-sourceAPI - 🧠 Hugging Face Open LLM Leaderboard
Compare and analyze models used in AEO to understand which LLMs prioritize specific data sources
open-sourceAPI - ⚡ Quicklink
Open source library that speeds up subsequent page loads by prefetching in-viewport links during idle time
open-source - 🌐 Amass
In-depth DNS enumeration and network mapping for asset discovery
open-source - ✍️ LanguageTool API
Open-source proofreading service for more than 30 languages with an accessible developer API
open-sourceAPI - 🛸 OpenReplay
Open-source session replay suite with privacy focus and self-hosting options
open-sourceAPI - 🕵️ OpenSearch
Community-driven open-source search and analytics suite for log data
open-sourceAPI - 🔍 Subfinder
Fast passive subdomain enumeration tool for domain discovery
open-sourceAPI - 🐳 Imgproxy
Fast and secure standalone server for resizing and converting remote images on-the-fly
open-sourceAPI - 🌊 Fluent Bit
Lightweight log processor and forwarder for edge and cloud environments
open-sourceAPI - 🤖 Storm
Open-source knowledge curation engine that generates SEO-friendly wiki pages
open-sourceAPI - 🛠️ GrowthBook
Open-source feature flagging and A/B testing platform that works with your existing data warehouse
open-sourceAPI - 🏗️ Statamic (Free Core)
Flat-first CMS that is inherently SEO-friendly and fast for smaller projects
open-sourceAPI - 🏗️ Grafana Mimir
Horizontally scalable long-term storage for Prometheus metrics and logs
open-sourceAPI - 🛠️ NGINX Unit
Versatile application server that handles routing for multiple languages in one place
open-sourceAPI - 🌉 RudderStack
Customer data platform (CDP) for routing SEO event data to BI warehouses
open-sourceAPI - 🤖 Verba
Open-source RAG application to explore SEO datasets using LLMs locally
open-sourceAPI - 🗝️ Keybert
Minimal keyword extraction technique that leverages BERT embeddings for SEO relevance
open-sourceAPI - 🛒 Shopware
Modern open-source eCommerce platform from Germany focusing on storytelling and SEO experiences
open-sourceAPI - 🚦 Traefik Mesh
Service mesh for microservices that simplifies internal traffic routing and monitoring
open-sourceAPI - 🐍 Advertools
Productivity and analysis tools for online marketing including SEO and SEM automation tasks
open-sourceAPI - 🚥 HAProxy Ingress
Kubernetes ingress controller based on HAProxy for high-performance traffic routing
open-sourceAPI - 🌐 Hush
A simple no-nonsense blocker for those annoying cookie consent notices
open-source - 🏗️ Meltano
Open-source DataOps platform for building SEO data pipelines
open-sourceAPI - 🤖 Mind-Search
Open-source AI search agent that mimics human research behavior for SEO
open-sourceAPI - 📱 Web Stories for WP
Official Google plugin to create SEO-optimized visual stories for publishers
open-source - 🧱 Microsoft Clarity SDK
Lightweight SDK for integrating Clarity session replays into native mobile apps
open-sourceAPI - 📚 Podcast Index
Open-source database preserving decentralized podcasting for independent SEO research
open-sourceAPI - 🌑 Blacklight-CLI
Identify ad trackers and privacy issues that could impact SEO rankings
open-source - 🧪 CrUX API
Access real-user experience data from the Chrome User Experience Report database
open-sourceAPI - 🚀 Vite Plugin Favicons
Automation plugin for Vite-based projects that generates all favicon sizes during the build process
open-sourceAPI - 📊 DefiLlama
Leading DeFi aggregator for tracking search volume by TVL and protocol
open-sourceAPI - 🌈 Svelte-Favicons
A collection of reactive Svelte components to manage favicons and dynamic badges in SvelteKit apps
open-sourceAPI - 🛠️ GA4 Measurement Protocol
Send data directly to Google Analytics servers via HTTP requests for server tracking
open-sourceAPI - 🦋 Farcaster Search
Search engine for the Farcaster protocol to optimize decentralized casts
open-sourceAPI - ⚙️ SERPAPI (G0)
High-performance Go library for interacting with major search engine scraping APIs
open-sourceAPI - ⚡ IndexNow Python Script
CLI tool to automate bulk URL submissions to IndexNow API
open-sourceAPI - 🧩 Promtail
Agent which ships local logs to Grafana Loki for centralized SEO analysis
open-source - 🤖 AutoGPT
Experimental open-source application showcasing the capabilities of the GPT-4 language model for SEO automation
open-sourceAPI - 🎨 Next/Image
Framework component for Next.js that automatically optimizes images for improved LCP and CLS
open-sourceAPI - 🖋️ Ant Design Icon Maker
Create consistent favicons following the Ant Design system principles with built-in accessibility checks
open-sourceAPI - 📦 Puppeteer
Node library to control headless Chrome for complex SPA SEO rendering tests
open-sourceAPI - 🔄 Django Redirects App
Built-in Django framework utility for managing site-wide redirects within a SQL database
open-sourceAPI - 📂 ELK Stack (Elasticsearch)
The standard for searching, analyzing, and visualizing log data in real-time at scale
open-sourceAPI - 🧠 Elasticsearch
Distributed RESTful search and analytics engine for log storage
open-sourceAPI - 🛣️ Express Router
Flexible and powerful routing middleware for Node.js web applications and SEO APIs
open-source - 📊 Grafana
Observability and BI platform used for real-time SEO monitoring dashboards
open-sourceAPI - 💎 Gatsby
Open-source frontend framework for creating blazing fast SEO-friendly eCommerce storefronts
open-sourceAPI - 🕸️ Scrapy
Powerful open-source web crawling framework for Python developers to build custom SEO scrapers
open-sourceAPI - 📐 React Router
The standard routing library for React applications across domains
open-sourceAPI - 🧲 Request-SEO
Pythonic way to handle HTTP requests for checking status codes and redirect chains
open-sourceAPI - 📦 Huginn
Open-source system for building agents that monitor and act on web changes
open-sourceAPI - 🗂️ Pandas-SEO-Toolkit
Custom pandas extensions for handling large scale SEO data exports and SERP analysis
open-sourceAPI - 📦 Preact
Fast 3kB alternative to React with the same ES6 API, significantly improving bundle size and speed
open-sourceAPI - 🛠️ CURL
Command line tool and library for transferring data with URLs for all protocols
open-source - 🛣️ Istio
Service mesh platform to manage complex microservice routing and traffic flow
open-sourceAPI - 🔑 Certbot
Effortless tool for automatically using Let's Encrypt certificates to enable HTTPS
open-source - ⚡ AMP Browser Extension
Instantly validates Accelerated Mobile Pages and provides real-time debugging for web developers
open-source - 🧩 Fastify
Extremely fast and low overhead web framework for Node.js, built for performance
open-sourceAPI - 🤖 Selenium
Industry standard framework for browser automation and functional web testing
open-sourceAPI - 🤖 Selenium-SEO-Tester
Automated browser testing for UI/UX elements that impact SEO performance
open-sourceAPI - 🌐 Lighthouse
Open-source automated tool for improving the quality of web pages including SEO and performance
open-source - 🔐 Bitwarden (Self-Hosted)
Open-source password management solution that can be hosted on your own infrastructure
open-sourceAPI - ⚙️ Sharp
High-performance Node.js image processing module built on the libvips library for fast transformations
open-sourceAPI - 🏗️ Workbox
JavaScript libraries for adding offline support and power to Progressive Web Apps
open-source - ⏱️ Tqdm-SEO-Progress
Smart progress bars for long-running SEO crawl scripts and data processing
open-source - 📈 Glances
An Eye on your system. A curses based monitoring tool for Linux/Windows/macOS
open-sourceAPI - 🎛️ Envoy Proxy
Edge and service proxy designed for cloud-native applications and complex routing
open-sourceAPI - 🖼️ Squoosh
Image compression and optimization tool to reduce page load times and improve SEO
open-sourceAPI - 🛡️ Nginx Rewrite Module
Core module for handling URL transformations, subdomain routing, and complex regex-based redirection
open-source - 📈 Matomo Analytics
Leading open-source web analytics platform that gives you full control over your SEO data
open-sourceAPI - 🌑 Dark Reader
Enables dark mode for every website to reduce eye strain during long SEO audit sessions
open-source - 📊 Matomo
Privacy-focused open-source web analytics platform that provides 100% data ownership
open-sourceAPI - 📊 Matplotlib-SEO
Generate static SEO performance reports and trend lines for monthly audits
open-sourceAPI - 🔌 HAProxy
High-performance load balancer and routing software for complex domain architectures
open-sourceAPI - ⚙️ Kibana
Visualization dashboard for Elasticsearch data used for SEO log mapping
open-sourceAPI - 🧠 Rasa
Open-source machine learning framework for building text and voice-based conversational AI assistants
open-sourceAPI - 🛡️ Shields.io Favicons
Integration for developers to add live status icons or badges that can be served as dynamic favicon updates
open-sourceAPI - 🐕 Watchtower
Monitor and update Docker containers automatically when images change
open-source - 🧬 Web Vitals Library
A tiny modular library for measuring all the Web Vitals metrics on real users in the field
open-sourceAPI - 📦 Haystack by Deepset
Open-source NLP framework for building search systems with verifiable citations
open-sourceAPI - 📖 Eleventy
A simpler static site generator for Node.js that focuses on zero-client-side JavaScript
open-source - 📈 FB-Prophet-SEO
Forecasting tool used to predict SEO traffic trends based on historical data
open-sourceAPI - 🏗️ Netlify CMS (Decap)
Open-source Git-based CMS for static site generators with simple SEO markdown config
open-source - 🛠️ Puppeteer Recorder
Chrome extension to record actions and create change detection scripts
open-source - 🧬 Gensim
Topic modeling for SEO to discover semantic relationships between keyword clusters
open-sourceAPI - 🏠 Nginx
Web server capable of complex URL rewriting and reverse proxy routing logic
open-sourceAPI - 🚀 Aiohttp-Crawler
Asynchronous HTTP client for ultra-fast SEO crawling and API requests
open-sourceAPI - 📊 Plotly-SEO-Graphs
Library for creating interactive SEO trend charts and backlink visualizations
open-sourceAPI - 🧩 Telegraf
Agent for collecting metrics and logs from stacks sensors and systems
open-sourceAPI - 🧪 Logstash
Server-side data processing pipeline that ingests data from multiple sources
open-sourceAPI - 🗜️ Brotli
Generic-purpose lossless compression algorithm providing better SEO performance
open-sourceAPI - 🛠️ Requests-HTML
Pythonic HTML parsing for humans with JavaScript support for easy SEO scraping
open-source - ⚡ Zuul
L7 application gateway that provides dynamic routing, monitoring, and security
open-sourceAPI - 📦 Rendertron
A headless Chrome rendering solution designed to render & serialise web pages on the fly
open-sourceAPI - 🌿 Spree Commerce
Modular open-source headless eCommerce platform with multi-store support and SEO flexibility
open-sourceAPI - 📂 Filebeat
Lightweight shipper for forwarding and centralizing log data from servers
open-source - 📏 NLTK
Complete toolkit for natural language processing and lexical SEO analysis
open-sourceAPI - 🔍 Fluentd
Unified logging layer to unify data collection and consumption for SEO audits
open-sourceAPI - 🔍 OWASP ZAP
The world’s most widely used web app scanner for finding vulnerabilities
open-sourceAPI - 🛡️ Lynis
Security auditing tool for Linux, macOS, and UNIX-based systems
open-source - 🌐 OpenResty
Full-fledged web platform that integrates Nginx and Lua for dynamic routing
open-sourceAPI - 🤖 Tabula
Tool for liberating data tables trapped inside PDF files into CSV for SEO keyword research
open-source - 📦 CapRover
Easy-to-use app/database deployment & web server manager for your own server
open-sourceAPI - 🖼️ Image-SEO-Optimizer
Bulk image optimization script using Python to reduce file size and update alt tags
open-sourceAPI - 📖 LanguageTool
Open-source grammar, style, and spell checker for high-quality SEO content
open-sourceAPI - 📊 Nightwatch.js
Node.js powered end-to-end testing framework used for SERP monitoring tasks
open-sourceAPI - 🔍 PyTrendS
Unofficial API for Google Trends for automated keyword popularity analysis and data retrieval
open-sourceAPI - 🕒 Schedule-SEO
Job scheduling for Python to automate daily SEO rank tracking and reports
open-source - 📊 Seaborn-SEO
Statistical data visualization library for analyzing SEO correlations and metrics
open-sourceAPI - 🏢 Magento Open Source
Enterprise-grade open-source commerce platform offering deep technical SEO and catalog customization
open-sourceAPI - 📶 Wappalyzer
Identify web technologies on websites including CMS frameworks and payment processors
open-sourceAPI - ⚡ Wappalyzer CLI
Automated technology stack detection for lists of websites via command line
open-sourceAPI - 💻 Cockpit
Web-based graphical interface for Linux servers to monitor and manage system services
open-source - 🧪 Pytest-SEO
Framework for writing automated tests for website SEO requirements and status
open-source - 🛒 OpenCart
Free open-source eCommerce platform with a massive marketplace for SEO extensions
open-sourceAPI - 🎨 Critical
Extracts and inlines critical-path CSS to improve First Contentful Paint and rendering speed
open-sourceAPI - 🌐 HSTS-Checker
Python tool to check for HTTP Strict Transport Security implementation across site lists
open-sourceAPI - ⚡ Puppeteer-SEO-Script
Automated SEO health checks using headless Chrome to simulate user behavior
open-sourceAPI - 🐙 Thumbor
Open-source smart imaging service which allows on-demand cropping, resizing and flipping of images
open-sourceAPI - 🔗 Yourls
Your Own URL Shortener - open-source PHP scripts for custom domain routing
open-sourceAPI - 🧱 Gutenberg-SEO-Parser
Parse WordPress Gutenberg blocks to analyze content structure and keyword density
open-sourceAPI - 📝 FuzzyWuzzy
Fuzzy string matching for identifying duplicate content and near-match keywords
open-source - 📦 WooCommerce
The most popular open-source eCommerce plugin for WordPress with extensive SEO extension ecosystem
open-sourceAPI - 📧 Email-Harvester-SEO
Scrapes contact information from websites for link building outreach campaigns
open-sourceAPI - 🖼️ ImageMagick
The industry-standard open-source software suite for creating, editing, and converting bitmap images
open-sourceAPI - ✨ TextBlob
Simplified text processing for sentiment analysis and noun phrase extraction in SEO
open-source - 🧩 Django-SEO-JS
SEO support for high-performing JS-heavy Django apps using pre-rendering
open-source - 🏗️ OpenProject
Open-source project management for secure SEO infrastructure
open-sourceAPI - 🧩 PurgeCSS
Tool to remove unused CSS from your project which helps in improving Largest Contentful Paint (LCP)
open-sourceAPI - 🛍️ PrestaShop
Feature-rich open-source eCommerce solution with modular architecture for technical SEO control
open-sourceAPI - 📦 ZMap
Open-source network scanner that enables researchers to easily perform Internet-wide surveys
open-source - 🛠️ ExifTool
Powerful command-line application for reading writing and editing document metadata including PDF and images
open-source - 🧪 Taiga
Open-source project management for agile SEO teams
open-sourceAPI - 📑 Tota11y
An accessibility visualization toolkit that helps visualize how a page performs with assistive technology
open-source - 🖌️ Vips
Extremely fast, low-memory image processing library with bindings for many languages
open-sourceAPI - 🔍 Google-API-Python-Client
Official Google client library for Search Console and Analytics API integration
open-sourceAPI - 🐍 Oscar
Open-source eCommerce framework for Django designed for domain-driven SEO architecture
open-sourceAPI - 📑 PyPDF2
Extract metadata and text from PDF files for document SEO optimization
open-source - 🕵️ Web Vitals Extension
Chrome extension for measuring Core Web Vitals in real-time while browsing your website
open-source - 🛡️ Nikto
Open source web server scanner which performs comprehensive tests against items
open-source - 📦 Conda-SEO-Env
Pre-configured Anaconda environments specifically for SEO data science projects
open-source - 💡 Lighthouse CI
Automated tool to run Lighthouse in CI/CD pipelines to prevent performance regressions during deployment
open-sourceAPI - 🧪 SiteSpeed.io
Open-source tool suite that helps you measure and monitor the performance of your web pages
open-sourceAPI - 📊 PDF-Miner
Data extraction tool that helps SEOs turn PDF content into crawlable HTML or text formats
open-sourceAPI - 🚀 Varnish Cache
High-performance HTTP accelerator for caching content and improving response times
open-sourceAPI - 🛠️ MozJpeg
Open-source JPEG encoder that improves compression while maintaining full compatibility
open-source - 💎 Solidus
A powerful open-source eCommerce framework for high-volume retailers built on Ruby on Rails
open-sourceAPI - ⚡ Pa11y
Command-line interface to run accessibility audits and monitor SEO performance
open-sourceAPI - 📱 Android Asset Studio
Google-provided tool for creating launcher icons and web manifest icons according to Material Design guidelines
open-source - 🛒 WooCommerce SEO
Open-source SEO extension for WordPress e-commerce stores
open-sourceAPI - ⚡ Core Web Vitals Annotation
Adds annotations to your Google Analytics charts to highlight Core Web Vital changes
open-source - 🏗️ Jovo Framework
Open-source framework for building professional voice apps across multiple platforms and devices
open-sourceAPI - 🧲 Singer
Open-source standard for writing scripts that move SEO data
open-sourceAPI - 🔗 Urllib3
Powerful HTTP client for Python with thread-safe connection pooling for SEO
open-sourceAPI - 🔒 WhatWeb
Next-generation web scanner that identifies CMS platforms, plugins, and server headers
open-source - 🛠️ Accessibility Developer Tools
Library of accessibility audit rules used by Google in various testing environments
open-source - 🕸️ Common Crawl
Open repository of web crawl data that can be used for large-scale link graph analysis
open-sourceAPI - 📊 Open-Web-Analytics
Open source web analytics that provides similar features to Google Analytics
open-sourceAPI - 🛰️ Syslog-ng
Flexible and highly scalable system logging application for multi-platform
open-sourceAPI - 🛠️ Critters
A Webpack plugin to inline your critical CSS and lazy-load the rest to improve FCP
open-sourceAPI - 🗳️ Snapshot
Off-chain voting search tool for auditing decentralized community intent
open-sourceAPI - 🚦 Apache Traffic Server
Scalable HTTP intermediate and forward proxy server for high-performance routing
open-sourceAPI - 🕵️ Boomerang
A JavaScript library that measures the performance of your website from the user's experience
open-sourceAPI - ⚙️ Lxml-SEO
High-performance XML and HTML parsing for rapid technical SEO audit tools
open-source - 🌀 MTR
Combined ping and traceroute tool for diagnosing network latency and packet loss
open-source - 📡 PyOpenSSL
Python wrapper for OpenSSL to audit SSL certificates for technical SEO health
open-sourceAPI - 📦 Rsyslog
The rocket-fast system for log processing with high performance features
open-source - 🌐 Tldextract
Separate the TLD from the domain name for bulk domain and backlink analysis
open-sourceAPI - 🧪 Wasabi
Open-source A/B testing platform originally developed by Intuit for high-performance experiments
open-sourceAPI - 🛠️ Webhint
Linting tool for the web that helps improve accessibility, speed, and cross-browser compatibility
open-source - 🧹 Bleach
HTML sanitizing library that can be used to clean scraped content for SEO
open-source - 🗂️ Tab Wrangler
Automatically closes inactive tabs to save memory and stay organized
open-source - 🕵️ Ghostery
Privacy extension that shows trackers and allows you to block them to see page speed impact
open-source - 📈 Metarank
Open-source ranking service for personalized search results and LTR
open-sourceAPI - 🧪 Trafilatura
Python package and command-line tool to gather text and metadata on the web
open-sourceAPI - 🌀 Apache Flume
Distributed and reliable service for efficiently collecting large log data
open-source - 🏷️ Schema.org Sitemap
Advanced script for creating sitemaps that include Schema.org metadata for enhanced rich snippet crawling
open-sourceAPI - 📏 Dimensions
A tool for designers to measure screen dimensions in the browser for pixel perfect layouts
open-source - 🛰️ FastImage
A small Ruby library to find the size and type of a remote image without downloading the whole file
open-source - 📍 GMB API Tracker
Custom scripts and tools for tracking GMB ranks via official Google APIs
open-sourceAPI - 📦 JSONView
Formats and validates JSON responses in the browser for easier API and structured data debugging
open-source - 🗺️ Open-Source-GEO
Library for managing geographic coordinates and local business schema for SEO
open-sourceAPI - 🍪 EditThisCookie
Manage cookies for SEO testing including location spoofing and session management.
open-source - 🖼️ Image-Optimizer-CLI
Lossless image compression via CLI to improve page speed and SEO
open-source - 🛣️ Laravel Redirection
Package for handling complex SEO redirections and domain routing within Laravel applications
open-source - 🦾 Picfit
An image resizing server written in Go that can use different storage backends like S3 or GCS
open-sourceAPI - 📄 Robotstxt-validator
Fast library to check robots.txt compliance with Google standards
open-source - 🚀 PageSpeed Insights CLI
Official Google tool to wrap PageSpeed Insights API for bulk performance audits
open-sourceAPI - 📊 Pushshift.io
Large-scale Reddit data API used by researchers for massive historical data analysis and SEO patterns
open-sourceAPI - 🗂️ Tab Manager Plus
Efficiently manage hundreds of tabs with search filter and deduplication features
open-source - 🛠️ AWStats
Advanced Web Statistics tool for generating graphical reports from server logs
open-source - 🧱 Baidu MIP (Mobile Instant Pages)
Open-source framework to speed up mobile pages for instant loading on Baidu Search results
open-source - 📌 Domain-Scan
Tool for scanning large batches of domains for various security and web stats
open-source - 🍏 GrandNode
Open-source cross-platform eCommerce solution based on .NET Core and MongoDB for SEO speed
open-sourceAPI - 💡 LinkClump
Allows you to open copy or bookmark multiple links at once by dragging a selection box
open-source - 📝 Markdown-lint
CLI tool to ensure SEO-friendly structural integrity for markdown-based content
open-source - 🧐 Yoast Real-time Content Analysis
SDK for developers to integrate Yoast-style SEO analysis into custom publishing platforms
open-sourceAPI - 🛡️ CSP Evaluator
Evaluates Content Security Policies to detect bypasses and improve site security
open-sourceAPI - 🐍 Extruct
Python library for extracting structured data from HTML files supporting Microdata and JSON-LD
open-sourceAPI - 🖼️ Image Downloader
Bulk download all images on a page with filtering by size and type
open-source - 🎨 WhatFont
The easiest way to identify fonts on web pages by simply hovering over the text
open-source - 🔗 Linkclump
Drag a box around links to open them all in new tabs or copy them to clipboard
open-source - 💎 Schema-Generator
A terminal-based generator for JSON-LD structured data following Schema.org standards
open-source - 🧹 Clear Cache
One-click cache and data clearing to test live SEO changes without browser lag.
open-source - 🔍 DuckDuckHack
Open source community for building Instant Answers and plugins for DuckDuckGo
open-sourceAPI - 📊 Search-Console-Connector
Python library for easy authentication and data retrieval from the Google Search Console API
open-sourceAPI - 🔓 SeoPanel
Open source SEO control panel for managing multiple sites and tracking keyword rankings in one place
open-sourceAPI - 📊 Page Analytics by Google
Legacy tool to see how customers interact with your pages (Visual GA)
open-source - 🏗️ Gulp-Favicons
A Gulp plugin that automates the generation of every possible favicon format and HTML tag for your project
open-sourceAPI - ☁️ Cloudflare-SEO-Worker
Python scripts for Cloudflare Workers to manage edge SEO tasks and redirects
open-sourceAPI - 🏗️ Check My Links
Link crawler that finds broken links on a webpage to assist in technical SEO cleanup
open-source - 📱 AMP Toolbox
Set of tools and libraries to help create and maintain high-performance AMP pages
open-sourceAPI - 🗺️ Google Maps Platform
API for integrating location-based features and local search results into apps
open-sourceAPI - 📰 Google News Sitemap Generator
Script-based generator specifically designed to follow the strict requirements of Google News indexing
open-sourceAPI - 📦 SerpApi Client Libraries
Open-source wrappers for SerpApi across 10+ languages to simplify SEO data integration
open-sourceAPI - 🏗️ Enonic
Composable content platform for building high-performance SEO-friendly progressive web apps
open-sourceAPI - 🔲 Clear Cache Shortcut
One-click button to clear browser cache and cookies for testing fresh site changes
open-source - 📊 Koko Analytics
Privacy-friendly analytics plugin for WordPress that does not use cookies or external services
open-source - 📱 Mobile-Friendly Test CLI
CLI wrapper for Google Search Console Mobile-Friendly Test API for bulk audits
open-sourceAPI - 🔧 View Rendered Source
Chrome extension to compare raw HTML and rendered DOM for JavaScript SEO troubleshooting
open-source - 🎨 Eye Dropper
Color picker that allows you to pick colors from any webpage or color picker interface
open-source - 📐 Measure-it
Draw a ruler across any webpage to check the dimensions of elements
open-source - 🔗 Open Multiple URLs
Paste a list of URLs and open them all in new tabs simultaneously
open-source - 📂 Link Gopher
Browser extension to extract all links from a webpage and sort them for outreach lists
open-source - 🛣️ Apache mod_rewrite
The industry-standard module for rule-based URL manipulation and routing
open-source - 🐚 Bash Toolkit (grep/awk)
Essential command-line tools for manual log parsing and SEO filtering
open-source - 🤖 Beautiful Soup
Library for pulling data out of HTML and XML files for rapid SEO audit script development
open-sourceAPI - 📦 Bing URL Submission Plugin
WordPress plugin for automatic URL indexing to Bing and IndexNow
open-source - 🏗️ Drupal Simple XML Sitemap
The standard module for Drupal to generate multilingual and custom entity sitemaps automatically
open-sourceAPI - ✨ Glitch Favicon Generator
Community-driven tool on Glitch for creating animated or dynamic favicons using HTML5 and JS
open-sourceAPI - 💻 Gnu-Wget
Command-line utility for retrieving files using HTTP/HTTPS frequently used for site mirroring
open-source - 🗜️ Gzip-Checker
Verify server-side compression for SEO performance using Python's native modules
open-source - 🗄️ HeidiSQL
Lightweight, open-source SQL client for Windows to manage databases and servers
open-source - 📸 ImageOptim
Desktop application that optimizes images to reduce load times and improve LCP and overall speed
open-source - 📦 Journald
Systemd logging service for modern Linux distributions with binary logs
open-source - 🗺️ Nmap
Industry standard tool for network exploration and security auditing
open-source - 🗺️ OpenStreetMap
The free wiki world map often used as a data source for local geo tools
open-sourceAPI - 🧪 OptiPNG
An advanced PNG optimizer that recompresses image files to a smaller size without losing information
open-source - 🐘 PHP Graphics Magick
Powerful PHP extension for image manipulation using the GraphicsMagick library
open-sourceAPI - 📁 PyCSV-SEO-Merge
Tool for merging multiple SEO tool exports (Ahrefs, Semrush) into a master file
open-source - 🚫 Robots-Parser
Compliance checker for robots.txt files to ensure search engine access control
open-source - 🗄️ SQLite-SEO-Storage
Lightweight database management for storing large-scale crawl data locally
open-sourceAPI - 🏗️ Scribus
Open-source desktop publishing software capable of creating highly structured and SEO-ready PDFs
open-source - 📡 SmokePing
Latentcy logging and graphing system for monitoring network connections
open-source - 🕸️ Webalizer
Fast free web server log file analysis program producing HTML reports
open-source - 🐚 Webmin
Web-based interface for system administration for Unix and Linux servers
open-source - ☁️ Yunohost
Debian-based OS for self-hosting web services with ease and automation
open-source - 📊 Zabbix Performance
Enterprise monitoring solution that can be configured to track website performance metrics
open-sourceAPI - 🏗️ Payload CMS
Next-generation headless CMS with TypeScript support and extensible SEO configuration hooks
open-sourceAPI - 🕸️ GPT-Crawler
Crawler that crawls websites to generate knowledge files from web content for custom GPTs and LLM training
open-sourceAPI - 🤖 Postiz
Open-source social media and SEO content scheduling platform with AI insights
open-sourceAPI - 🔗 Kutt
Modern open-source URL shortener with custom domains and analytics routing
open-sourceAPI - 🤖 ScrapeGraphAI
Open-source Python library for scraping search results using Large Language Models
open-sourceAPI - 📦 Bundlephobia
Find the performance cost of adding a npm package to your web application bundles
open-sourceAPI - 🚀 Quickwit
Sub-second search engine on cloud storage for log management and SEO
open-sourceAPI - 🌐 Linkwarden
Self-hosted collaborative bookmark manager with routing preservation and archiving
open-sourceAPI - 🤖 Perplexica
Advanced AI-powered search engine and open-source Perplexity alternative
open-sourceAPI - 📦 Next.js Sitemap Generator
The go-to package for generating sitemaps automatically within Next.js and Vercel environments
open-sourceAPI - 🤖 Farfalle
Open-source AI search engine and answer engine for local or cloud LLMs
open-sourceAPI - 🎯 Serpbear
Self-hosted open-source search engine rank tracking software
open-sourceAPI - 🧩 Hydration Overlay
Debug tool for identifying hydration mismatches in SSR frameworks like Next.js and Nuxt
open-source - 🌐 Proxy-List
Automated script to fetch and check live proxies for scraping and automation
open-sourceAPI - 📝 Scribe
Open-source markdown-based documentation and SEO platform for developer-centric content marketing
open-sourceAPI - 🏠 Statping-ng
Updated self-hosted status page with charts and automated monitoring for apps
open-sourceAPI - 🤖 Mastra
Framework for building AI agents that can handle complex SEO automation tasks
open-sourceAPI - 📊 SerpBear
Open-source search engine rank tracking software that allows you to track your website rankings for free
open-sourceAPI - 🤖 Search-LLM
A framework for integrating search engine results into LLM prompts for SEO
open-sourceAPI - 🎯 LinkStack
Self-hosted link-in-bio platform for managing backlink landing pages and professional profiles
open-source - 🕸️ Carbonalyser
Evaluate the environmental impact of your website based on data transfer
open-source - 🔀 Kusk Gateway
OpenAPI-driven gateway for Kubernetes that simplifies RESTful service routing
open-sourceAPI - 🧬 LinkExtractor
Open-source Python library for extracting and monitoring backlinks from raw HTML and web crawls
open-sourceAPI - 🤖 OpenPerplex
Open-source AI-powered search engine focused on citations and source transparency
open-sourceAPI - 🏗️ Request Indexer
Automated tool to request Google indexing for pages using the Indexing API
open-sourceAPI - 📄 Resumes-Parser-SEO
Library focused on extracting SEO-rich entities and semantic keywords from structured documents
open-sourceAPI - 📝 TextGenerator
Open-source AI content generation and SEO tool with community-driven team templates
open-sourceAPI - 🧪 GEO-Bench
Open-source benchmark for evaluating Generative Engine Optimization strategies
open-sourceAPI - 📈 Serp-Explorer
Open-source rank tracker that scrapes search results without expensive proxies
open-sourceAPI - 🧠 Auto-SEO-Description-Gen
Uses LLMs to generate meta descriptions and alt text based on page content
open-sourceAPI - 📖 ALwrity
Open-source AI digital marketing platform supporting RAG and SERP factual content generation
open-sourceAPI - ♟️ Agentic-SEO
Framework for deploying multi-agent systems to handle technical audits and strategy mapping
open-sourceAPI - 🔬 LLM-Explorer-Open
Open source framework to test how different prompt structures affect site visibility
open-sourceAPI - 🛠️ SEOEstate
Open-source website crawler and technical SEO analyzer for developers and technical consultants.
open-source - 📦 Zeno
Open-source crawler and SEO toolset for developers built with Node.js
open-sourceAPI - 🛠️ SEO Audits Toolkit
All-in-one open-source collection for website health and security
open-sourceAPI - 🔍 Serp-Api-Open
Community project to scrape SERP data for keyword research without costs
open-sourceAPI - 📝 Markdown-SEO-Linter
Linter for markdown files to ensure correct heading hierarchy and meta data
open-source - 🔧 SEOnaut
Comprehensive open-source SEO audit tool for deep site scans
open-source - 🔑 Keyword-Clustering-Tool
Python script that clusters keywords based on SERP similarity to group intent
open-source - 🤖 Open-SEO-Writer
AI-powered content generator optimized for specific keyword density and intent
open-sourceAPI - 👣 Swetrix
Fully open-source and privacy-focused analytics with deep focus on performance and SEO tracking
open-sourceAPI - 📉 SERP-Volatility-Tracker
Monitors daily fluctuations in search results to detect Google algorithm updates
open-sourceAPI - 🗺️ Local-SEO-Audit-Tool
Script to compare local business listings across multiple directories for consistency
open-sourceAPI - 🦕 Dino DNS
Open-source, lightweight DNS record manager designed for fast SEO testing and domain mapping
open-sourceAPI - 🚀 Indexing API Tool
Open-source script for bulk-sending URLs to Google’s Indexing API via Google Sheets
open-sourceAPI - 📊 LLM Analytics
Open-source framework to track how LLMs cite and reference website content
open-sourceAPI - 📊 RankTools
Open-source command line tool for monitoring keyword rankings across major engines
open-source - 📑 SEO Dash
Open-source dashboard template for tracking SEO performance across multiple domains
open-source - 🛠️ SEOlizer
Open-source tool for real-time log analysis and technical SEO monitoring
open-source - 🛠️ Search Engine Scanner
Fast open-source CLI for scraping search engine results
open-sourceAPI - 📦 Serply
Open-source Python library for scraping search engine results for SaaS dev teams
open-sourceAPI - 📍 Dalton
Open-source local search rank tracker and citation audit tool for developers and small agencies
open-sourceAPI - 🐍 PySEO Keyword Tool
Python-based open source tool for programmatically generating keyword reports and clusters
open-sourceAPI - 🦖 RustySEO
Cross-platform marketing toolkit for deep crawl and server log analysis
open-sourceAPI - 🐢 Slowpoke
Open-source desktop tool to analyze and visualize website performance over time
open-source - 🔗 Internal-Link-Juice-Analyzer
Visualizes internal link flow and calculates PageRank distribution for websites
open-source - 📐 LLM-Visibility-Library
Open-source repository for benchmarking site appearance in various Large Language Models
open-source - 🧩 Favicon-Switcher
Small JS library to switch favicons based on media queries like dark mode or system theme changes
open-sourceAPI - 📏 Sa11y
Accessibility checker that focuses on content and provides visual cues for editors within their CMS
open-source - 🕵️ Search-One Local SEO Tool
Open-source repository for scraping local search results and identifying competitors
open-source - 🧪 Searchviermu
Python-based automation scripts for bulk SERP analysis and keyword intent
open-source - 🤖 SEO-Writing-Assistant
AI-driven script to generate SEO-friendly content outlines based on top SERP results
open-sourceAPI - 📊 GSC Guardian
Self-hosted dashboard for monitoring Google Search Console health and anomalies
open-source - 🤖 SEO Python Library
Open-source library for automating technical SEO tasks like redirect checks and meta analysis
open-sourceAPI - 🤖 Local-LLM-SEO
Open-source scripts for bulk generating localized service pages using Llama 3 or GPT-4
open-sourceAPI - 💡 Answer-The-Public-Scraper
Python script to scrape autocomplete suggestions for "People Also Ask" style research
open-source - ⚡ Dynamic Favicon
JavaScript library that allows developers to change favicons dynamically based on user status or site notifications
open-sourceAPI - 🛠️ Keywell
Open-source utility for semantic keyword grouping and basic topic modeling for developers
open-sourceAPI - 📱 Mobile-Friendly-CLI
Test URLs against mobile-friendly criteria from the command line
open-source - ⚙️ Site-Audit-CLI
High-performance CLI tool for technical SEO audits and dead link detection
open-source - 🔍 URL Inspection API Samples
Python and Node.js samples for programmatically inspecting URLs via GSC API
open-sourceAPI - 📝 ContentSwift
Open-source content research and optimization tool for semantic SEO
open-source - ⚡ FastSitemap Generator
Go-based high-performance CLI tool for massive sitemaps, capable of processing 100k URLs per minute
open-source - 📍 Free-GPB-Auditor
Open-source script for auditing Google Business Profiles for local ranking factors
open-source - 🛠️ SEOPivot
Emerging open-source desktop dashboard for monitoring site health and schema
open-source - 💻 Search engine keywords
CLI tool for fetching keyword suggestions from various search engine autocomplete APIs
open-source - 📦 Backlink-Checker
Command-line tool to check backlink status and anchor text from a list of URLs
open-source - 🚀 Core Web Vitals Visualizer
Visual overlay of CWV metrics directly on the elements of your page
open-source - ⚡ Ferryman
Open-source tool for handling large-scale e-commerce SEO redirects and path mapping
open-sourceAPI - 📊 GSC-Data-Exporter
Python-based CLI for bulk exporting Google Search Console data to CSV
open-source - 🐙 Gmerlin
Open-source email verification tool designed for high-speed checking of link building lists
open-sourceAPI - 🔧 Greenflare
Open-source desktop SEO crawler for privacy-conscious technical website audits
open-source - 🤖 LLM-Benchmark-Crawler
Scripts to automate querying multiple LLMs and tracking brand citation frequency
open-sourceAPI - 🗺️ Local Search Data
Open-source scraper for extracting local business data from maps
open-sourceAPI - 🦆 Mallard Duck
Lightweight open-source eCommerce SEO auditing tool for small online shop owners
open-source - 🐍 PySEO
Open-source Python framework for custom scheduled SEO crawling and data extraction
open-sourceAPI - 📜 Search Console Bulk URL Inspection
Tool to inspect URLs in bulk using the Google Search Console Inspection API
open-sourceAPI - 💻 Serpident
Open-source light-weight rank tracker for personal or agency use
open-source - 🧠 Ant-Team Yandex XML Tools
Specialized scripts and tools for managing Yandex XML limits and parsing tasks
open-source - 🐍 Map-Tracker
Open-source python script to track local search rankings on Google Maps via SerpApi
open-sourceAPI - 🐍 Naver-SEO-Python
Python scripts for automating Naver Search Advisor tasks and checking indexing status via CLI
open-source - 📐 CLS Visualizer
Chrome extension that overlays Cumulative Layout Shift areas directly on your webpage
open-source - 🛠️ LinkBuildingTools
Open-source repository of scripts and workflows for link prospecting and domain validation
open-source - 🐙 SEO.js
Open-source JavaScript library for checking SEO best practices in code
open-source - 💨 Fast Favicon
Lightweight CLI tool for developers to automate favicon generation from a single source image via terminal
open-sourceAPI - 🏷️ Klustr
Open-source Python library for hierarchical keyword clustering and automated taxonomy generation
open-sourceAPI - 🏗️ Schema-Writer-AI
AI tool that generates complex localized Schema.org markup for service areas and entities
open-source - 📜 Scry
Open-source oracle search explorer for tracking price feed SEO accuracy
open-sourceAPI - 🔍 Favicon-Audit-CLI
Terminal tool for CI/CD pipelines to ensure all pages in a build have required favicon meta tags
open-sourceAPI - 📉 Grip
Command-line tool for visualizing how GitHub Readmes look, but often used for performance profiling local docs
open-source - 📂 Photon
Incredibly fast crawler designed for OSINT and domain profiling
open-source - 🧪 Warp
High-performance edge routing and proxy library built in Rust for ultra-fast redirection
open-source - ⚡ Instant.page
Small script that preloads links on hover to make page navigation feel instantaneous for users
open-source - 📝 Markdown to HTML
Convert technical documentation for web deployment with SEO in mind
open-source - 🐳 Logspout
Log routing for Docker containers to stream SEO logs to external analyzers
open-source - 🏠 Ackee
Self-hosted privacy-focused analytics tool for developers who care about their own data
open-sourceAPI - 📈 Anvaka Sayit
Interactive graph visualization of subreddit relationships to identify niche clusters and link opportunities
open-source - 📉 Broken-Link-Checker
Find broken links on websites with this highly configurable CLI tool
open-source - 🌲 GoatCounter
Open-source web analytics service that is easy to use and meaningful without tracking individuals
open-sourceAPI - 📉 Webdiff
Python-based command line tool for visually comparing website versions
open-source - ⚡ Pyppeteer
Python port of Puppeteer for rendering JavaScript-heavy pages for SEO audits
open-sourceAPI - 🔗 Sitemap.js
High-level sitemap-generating library for Node.js environments to automate large-scale XML generation
open-sourceAPI - 📊 SocioBoard
Open-source social media management with white-label capabilities for marketing agencies
open-sourceAPI - 🛠️ YouTube Transcript Extractor
Utility for developers to programmatically pull video transcripts for SEO analysis
open-sourceAPI - 📦 MassDNS
High-performance DNS stub resolver for bulk lookups and reconnaissance
open-source - 🛠️ PyTrends
Unofficial Python API for Google Trends for automated data collection and analysis
open-source - 🔥 Speed-Measure-Plugin
CLI performance measurements for build-time SEO impact analysis
open-source - 🕵️ Assetfinder
Find hostnames which may be related to a given domain (part of the tomnomnom suite)
open-source - 📊 Perfume.js
Telemetry library for measuring First Paint, LCP, and FID and reporting them to your analytics
open-sourceAPI - 📦 Staticman
Open-source static site comment engine for building community on JAMstack sites
open-sourceAPI - 🔧 Wapiti
Open-source web security auditor that identifies SEO-impacting vulnerabilities
open-source - 📦 Bundlewatch
Monitor your app's bundle size in your PRs to ensure performance doesn't degrade over time
open-sourceAPI - 🚪 Knockpy
Python tool designed to enumerate subdomains on a target domain through a wordlist
open-source - 🌌 Shynet
Modern self-hosted web analytics that works without cookies or JavaScript for extreme privacy
open-source - 🛠️ BestIcon
A simple favicon service written in Go that can find and proxy favicons for any website with a single API call
open-sourceAPI - 🧪 Gevent-SEO-Crawler
High-performance concurrent crawler using gevent for large scale site audits
open-source - 📄 Python-Magic
File type identification for SEO asset audits (images, videos, documents)
open-source - 📉 Yellow Lab Tools
Open-source online test that detects performance smells and front-end code quality issues
open-source - 📝 Polyglot
Multilingual NLP library for keyword extraction and entity recognition in diverse languages
open-source - 🖼️ Wand
Simple and fast Python library for image processing based on ImageMagick
open-sourceAPI - 🧩 A11y Machine
Automated accessibility testing tool that crawls a website and generates a visual report of issues
open-source - 🌐 Handshake
Decentralized naming protocol for censorship-resistant SEO and domains
open-sourceAPI - ⚡ Sitemap Generator CLI
Node.js command-line interface tool to generate sitemaps for any website directly from the terminal
open-source - 📜 Sitemap-Generator-CLI
Create comprehensive XML sitemaps for large websites from the command line
open-source - 🧪 Subreddit Analysis
A Python-based tool for scraping and analyzing subreddit data for SEO and linguistic patterns
open-sourceAPI - 🌐 Expired-Domain-Finder
Searches for expired domains with high authority based on backlink metrics
open-sourceAPI - 🕷️ Abot
Open-source crawler for developers to build custom scheduled technical SEO audits
open-sourceAPI - 📱 Ally.js
Library to help modern web applications with accessibility, focus management, and keyboard navigation
open-source - 🔗 Broken Link Checker
Open-source CLI tool to find broken links and server errors across entire domains
open-source - 🏗️ Flyimg
Dockerized PHP application for image resizing, cropping and effects on-the-fly with S3 support
open-sourceAPI - 🌍 Langdetect
Port of Google's language-detection library for multilingual SEO site audits
open-source - 🎈 Offen
Fair web analytics that requires user consent and treats website owners and users as equals
open-source - 🐚 Puppeteer-Renderer
Simple web service to render web pages as HTML or PDF using Puppeteer backend
open-sourceAPI - 🚀 Scrapy-Selenium
Middleware for Scrapy to handle JavaScript pages using Selenium for SEO
open-source - 🏗️ Static Jinja
Open-source library to build static websites with Jinja2 templates
open-source - 📉 SEO-Analyzer
Python script to analyze a website for SEO issues like broken links and missing meta tags
open-source - 🏗️ Schema dts
Strongly typed models for Schema.org vocabulary in TypeScript and JavaScript
open-source - ⚡ Scrapy-Cluster
Distributed crawling system for massive SEO datasets using Redis and Kafka
open-sourceAPI - 🛠️ Domain MOD
Open-source application to manage your domains and registrars
open-source - 📦 Node-SEO
SEO analysis tool for Node.js projects to check content and metadata
open-source - 📝 Text-Summarizer
AI-powered tool to generate SEO meta descriptions and summaries from content
open-sourceAPI - 🖼️ Image-Optimizer-SEO
Batch processes and compresses images for web while maintaining SEO metadata
open-source - 🖥️ Glogg
Multi-platform GUI to explore and search through long or complex log files
open-source - 🗄️ Web Archives
Browser extension to view archived and cached versions of web pages
open-source - 🗺️ The Graph
Decentralized protocol for indexing and querying blockchain search data
open-source - 🌍 Waybackpy
Python wrapper for the Wayback Machine API to track historical SEO changes
open-sourceAPI - 🧪 Favicon Grabber
Open-source API and tool to extract the highest resolution favicon from any website URL for competitive research
open-sourceAPI - 📊 PageXray
Analyze web page requests and resource sizes to optimize performance
open-source - ⚓ Anchor Image
Lightweight image server for self-hosting with built-in on-the-fly resizing and cropping
open-sourceAPI - 📦 IPFS Search
Search engine for the InterPlanetary File System to audit decentralized content
open-sourceAPI - 🎯 LinkSource
Open-source link prospect management tool for organizing potential domains and tracking contact status
open-sourceAPI - 📱 MobiMetrics
Open-source script collection for basic mobile rank tracking
open-sourceAPI - 🤖 PDF-XRay
Python-based tool for extracting and analyzing PDF structures to identify SEO issues or hidden data
open-source - 🐍 PySEO Tools
Open-source Python scripts for automating repetitive SEO tasks and audits
open-source - 🤖 Robots-Parser-CLI
Test and validate robots.txt rules against specific URLs via terminal
open-sourceAPI - 📊 SEO Mapper
Open-source tool to visualize internal linking and site architecture
open-source - 🐙 SEO-Checker
Node.js based open source SEO checker for developers
open-source - 🛠️ SEO-Go
Lightweight open-source CLI for checking meta tags and broken links
open-source - 🪵 SEO-Log-Analyzer
A Python script to parse and analyze server logs specifically for SEO bot behavior
open-source - 🧠 Screaming Frog to LLM
A Python script bridging Screaming Frog export data with OpenAI for automated technical SEO recommendations
open-source - 🗺️ Sitemap Generator
Open-source tool to generate massive XML sitemaps for enterprise eCommerce catalogs
open-sourceAPI - 🧪 Sitemapper
High-performance open-source sitemap generator and validator for large-scale enterprise web architectures
open-sourceAPI - 📦 Taudio
Open-source repository for audio processing and metadata extraction for SEO
open-source - 🤖 Text-to-JSON Schema
Open source utility to convert unstructured text into valid Schema.org JSON-LD snippets
open-source - 🔍 Ubersuggest-Open
Community maintained scraper for keyword suggestions and search volume data
open-sourceAPI - 🗺️ Ultimate Sitemap Parser
Robust Python sitemap parser to extract URLs and detect errors in XML sitemap files
open-sourceAPI - 💬 YouTube Comment Suite
Open-source tool for managing and analyzing thousands of YouTube video comments
open-source - 🧪 Content-Auditor
Open-source Python script for analyzing site-wide content quality and planning updates
open-source - 📦 Icon-Gen
Multi-platform CLI that converts SVG or PNG to icons for web Windows macOS and Linux in one command
open-sourceAPI - 📏 Page Ruler Redux
Measure page elements in pixels for layout and UX optimization
open-source - 📝 Hemingway-Open
Open-source implementation of writing analysis for readability and SEO
open-source - 🔎 Whois-Python
Python library to retrieve WHOIS information for domain age and expiration tracking
open-source - 📦 SEO-Scraper-JS
High-performance Javascript scraper designed to extract SEO metrics and meta data from large batches of URLs
open-sourceAPI - 🔍 Serp-Api (Open Source)
Self-hosted SERP scraping API using Puppeteer and Node.js for private data pipelines
open-sourceAPI - 🔧 Site-Crawler
Fast multi-threaded web crawler for site mapping and technical audits
open-sourceAPI - 📂 Site-Inspector
Open-source tool to find broken links and common technical SEO errors
open-source - 🎭 User-Agent Switcher
Switch between different user-agents to test mobile and bot crawling
open-source - 🔎 Wordsmith
An open-source script alternative for Google Sheets to handle bulk keyword research and SERP analysis via API
open-sourceAPI - 🌍 Geo-IP-CLI
Check server location and IP data to optimize international SEO hosting
open-sourceAPI - 🔍 Hreflang-Checker
Automated validation of hreflang tags across international website versions
open-source - 🔗 Link Checker
Verify internal and external links for broken connections and redirect loops
open-source - 🐍 PySitemap
Python library for creating high-performance sitemap crawlers and generators for custom web apps
open-sourceAPI - 📄 Quick Source Viewer
A refined view of the page source with syntax highlighting and resource grouping
open-source - 🔍 Search-Console-CLI
Quickly query Google Search Console data directly from your terminal
open-source - 🗺️ Sitemap-Validator
CLI utility to validate XML sitemaps against XSD schemas and link health
open-source - 🌊 Imager
Simple and lightweight image manipulation library for PHP with a focus on ease of use
open-sourceAPI - 📏 Readability-LXP
Library for measuring text readability scores (Flesch-Kincaid) for content optimization
open-source - ✅ SEO-Lint
Linter for SEO to validate meta tags and structural elements on HTML files
open-source - 🧰 Tanaguru
Open-source automated accessibility assessment tool focused on high-volume website testing
open-sourceAPI - 📋 Validator-Collection
Collection of Python validation functions for checking URL and email formats
open-source - 🧩 Extensions Manager
Toggle browser extensions on and off quickly to avoid memory bloat and conflicts
open-source - 🗂️ JSON-LD-Gen
Command-line utility for generating complex structured data scripts
open-source - 🧩 Canonical-Audit-Tool
Identifies canonical tag mismatches and loops across large site architectures
open-source - 📋 Copy All URLs
Quickly copy all open tab URLs to the clipboard in multiple formats for research sharing
open-source - 🚀 Static-Site-SEO-Checker
Validation tool for meta tags and structure in static site generators like Jekyll
open-source - 🔎 Structured Data Linter
Verify structured data markup and visualize how it appears in search results
open-source - 📊 Google Sheets Sitemap Maker
Custom script template to crawl URLs from a Google Sheet and generate a valid XML sitemap file
open-source - ⏱️ Page Load Time
Minimalist extension that displays the exact loading time of a webpage in the browser toolbar
open-source - 🚀 Static Site Checker
Audit tool for static site generators and JAMstack SEO
open-source - 🏃 Stet
Open-source privacy-first website analytics server designed for high-performance self-hosting
open-source - 🏗️ Alt Text Tester
Hover over images to see their alt text and identify missing attributes for accessibility
open-source - 🔗 Link Grabber
Extracts all links from a webpage and displays them in a sortable list
open-source - 🔍 SEO Keyword Research Tool
Python-based keyword suggestion tool utilizing Google Autocomplete
open-sourceAPI - 🔗 Link-Stats-CLI
Extract and categorize all internal and external links from a page
open-source - ⚙️ Local-SEO-Checklist
GitHub repository containing a comprehensive technical checklist for optimizing local business websites
open-source - 📂 Analog
Extremely fast log file analyzer that provides basic traffic and bot statistics
open-source - 🔗 BacklinkChecker
Open-source Python utility for monitoring backlink status and detecting removed links
open-source - 🛠️ Dynamic-Favicon-JS
Lightweight vanilla JS script to update favicon badges with numbers for real-time notifications
open-sourceAPI - 📂 Folder2Sitemap
Simple utility for developers that converts a local folder structure into a valid XML sitemap
open-source - 🛠️ Go-SEOSpider
CLI-based website crawler written in Go for high-speed technical SEO audits
open-source - 🔍 Keywords Every Day
Open source alternative for keyword and competitor lookup
open-source - 🤖 Kvext
Python library for extracting keywords and entities from podcast transcripts
open-source - 📦 NAP Hunter
Chrome extension to search for Name, Address, and Phone inconsistencies across the web
open-source - 📦 NapHunter
Open-source script for finding NAP inconsistencies for local SEO audits
open-source - 🔍 SSEO
Open source technical SEO analyzer for identifying onsite optimizations
open-source - 🐍 Schema.org Scanner
Open source CLI tool for scanning entire domains for schema health
open-source - 🦴 Skeleton
Open-source crawler for identifying broken links and SEO issues in a CLI environment
open-source - 🗄️ Subquery
Data indexing search tool for fast dApp search performance on Polkadot
open-source - ⏱️ Tighthouse
Terminal-based Lighthouse runner for quick bulk performance audits
open-source - 🖼️ View Image Info
Extracts image metadata including alt text, file size, and dimensions directly from the browser.
open-source - 🏛️ Wiki-Audit Tool
Open-source script for checking Wikipedia and Wikidata mentions to audit brand authority
open-sourceAPI - 💬 Word Counter Plus
Simple tool to count words and characters in selected text on any web page
open-source - 🔑 Keywords-CLI
Extract keyword density and frequency from HTML documents via terminal
open-source - 🦖 Dino
Simple CLI for checking status codes and broken links on small to medium sites
open-source - 🛠️ F12 - Website Analyzer
Inspect headers cookies and scripts in a single simplified view
open-source - 📦 Favicon-Fetch
Node.js package that efficiently finds and downloads the best quality favicon for any given URL
open-sourceAPI - 🤖 Googlebot Simulator
Python script to simulate how Googlebot fetches and renders specific web pages
open-source - 🔗 Link-Context-Parser
A specialized tool for analyzing the surrounding text and semantic context of internal and external backlinks
open-sourceAPI - 🏠 Local-SEO-Schema-CLI
Generate local business schema markup via terminal for multiple locations
open-source - 🔗 NoFollow Simple
Highlights all nofollow and sponsored links on a page to visualize internal link equity
open-source - 💎 Data Layer Checker
Chrome extension to debug and verify data layer implementations for SEO tracking
open-source - 🧪 Hreflang-Checker-CLI
Validate hreflang tags across international sites via command line
open-source - 📊 WordCounter
Quickly count words and characters of selected text on any webpage
open-source - 🗄️ Header-Checker
Bulk check HTTP response headers for large lists of SEO landing pages
open-source - ⚡ Quick SEO
A lightweight toolbar for quick access to domain and page SEO metrics
open-source - 💡 Keyword Researcher Python
Tool to generate bulk keyword ideas from Google suggestion APIs
open-source - 🐍 PyBacklinkCheck
Python library to check if a backlink exists on a specific page programmatically
open-source - 🤖 SEO-CLI
Node.js CLI for linting on-page SEO elements like title, meta, and headers
open-source - 🛠️ Screaming Frog to Sheets
A custom AppsScript for pushing Screaming Frog crawl data automatically to Google Sheets
open-source - 🛡️ Security-Headers-CLI
Quickly check security headers that impact SEO and site trust
open-source - 📋 Simple URL Copy
One-click to copy current URL or all URLs from a window with clean formatting
open-source - 🔄 Sitemap Mergetool
Simple command line utility to merge multiple XML sitemaps into a single index file automatically
open-source - 🔍 Suckless SEO Checker
Ultra-minimalist CLI tool for checking basic on-page SEO factors
open-source - 🐍 Yandex Search Result Scraper
Python library to scrape and parse Yandex search engine results pages effectively
open-source - 📊 PageSizer
Check the uncompressed size of a webpage including all assets
open-source - 🚦 Crawl-Delay-CLI
Analyze crawl budget and server response times via command line
open-source - 📝 HARO SEO Filters
Open-source script to filter HARO emails for high-relevance link opportunities
open-source - 🛰️ Rank-CLI
Lightweight command line tool to check ranking of a domain for specific keywords
open-source - 🌐 SeoToaster
Open-source CMS and e-commerce platform with built-in scheduled SEO crawling
open-source - 📁 Sitemap Downloader
Automatically finds and downloads XML sitemaps for the current domain
open-source - 🔌 WP Local SEO
WordPress plugin for local business schema and map integration
open-source - 📦 hreflang-php
Lightweight PHP library for generating and managing SEO-compliant hreflang HTML tags in backend applications
open-source - 📂 Google Drive Sitemap Scraper
Script that scrapes URLs from lists in Google Drive to perform status code checks
open-source - 🧪 Favicon Grabber API
Fast and reliable JSON API to retrieve a website's favicon and touch icons for use in applications
open-sourceAPI - 🛠️ Logwatch
Customizable log analysis system which parses system logs and sends reports
open-source - 🛠️ Sitemap XML Editor
Open source desktop editor for Windows to manage and edit extremely large XML sitemaps offline
open-source
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