Website GitHub Repositories (2026) · Open Source Tools

Grab your own cool 'runs-on.dev' subdomain to use for free forever.

The website QA tool for your coding agent. 310+ audit rules across SEO, performance, security, accessibility and agent experience.

Grab your own sweet-looking '.is-a.dev' subdomain.

Create web-based user interfaces with Python. The nice way.

Finds larger/original versions of images and videos

RabbitMQ website

Personal website of Sindre Sorhus

Free and open-source webshop solution for hostings

Empowering People Ethically 🚀 — Matomo is hiring! Join us → https://matomo.org/jobs Matomo is the leading open-source alternative to Google Analytics, giving you complete control and built-in privacy. Easily collect, visualise, and analyse data from websites & apps. Star us on GitHub ⭐️ – Pull Requests welcome!

Simple, Fast, Secure, Flat-File CMS

Fast website link checker in Go

Monorepo with website and API

Easy to maintain open source documentation websites.

The React documentation website

WordPress for Android

Grav Admin Plugin

Privacy-friendly, open-source analytics for WordPress — GDPR compliant, cookieless, and fast

Arch Linux website code

Bookmarks & Notes Manager for Developers — with Markdown and Code Snippets support

📖 Preact documentation website.