Open Source realtime backend in 1 file

Chrome, Firefox, Edge, and Safari extensions for Zotero

High-performance syntax highlighting using CSS Custom Highlight API (87% fewer DOM nodes)

👓 Syntax Highlighting using the CSS Custom Highlight API

AI agent toolkit: unified LLM API, agent loop, TUI, coding agent CLI

Browser extension that automatically fills out cookie popups based on your preferences

Turn any RSS/Atom feed into a beautiful email digest

Shadow any website for offline viewing, with the JavaScript stripped out

Best and simplest tool for website change detection, web page monitoring, and website change alerts. Perfect for tracking content changes, price drops, restock alerts, and website defacement monito…

Your own search engine

A composite GitHub Action that turns conventional commits into a draft release PR, tags the PR on merge, and stages publishing to npm via OIDC trusted publishing.

Growatt inverter monitor

A fast, helpful, and open-source document parser

Offline, privacy-first grammar checker. Fast, open-source, Rust-powered

Highlight and capture the web in your favorite browser. The official Web Clipper extension for Obsidian.

xtrace — Command-line CPU Profiling for macOS as a skill.

Directory of open source tools for online safety

PDF library for Go: layout engine, HTML to PDF, forms, signatures, barcodes, and PDF/A. Apache 2.0.

A Go implementation of the Model Context Protocol (MCP), enabling seamless integration between LLM applications and external data sources and tools.

Self-hosted bookmark manager that is designed be to be minimal, fast, and easy to set up using Docker.

A directory of companies founded by people who used to work at GitHub at one point or another

Server-side rendering and caching system for JavaScript websites

Run AI agents isolated in a macOS user account and sandbox-exec. Configured to run Claude Code, OpenAI Codex, Cursor Agent, Google Gemini.

The Unofficial and Awesome Home Assistant MCP Server

HTTP Buttons, PUT/DELETE Forms, and Partial Page Replacement - three proposals for the HTML standard

A lightweight alternative to OpenClaw that runs in containers for security. Connects to WhatsApp, Telegram, Slack, Discord, Gmail and other messaging apps,, has memory, scheduled jobs, and runs dir…

Online tuner based on web audio api

Chrome DevTools for coding agents

Export pinned Arc Browser tabs for importing bookmarks into other browsers