Top ADDON GitHub Repositories & Tools (2026)

Better Lyrics for YouTube Music - Enhance YouTube Music with beautiful time-synced lyrics, multilingual support, real-time translations and more ✨

My homeassistant addons

:cloud: Sync your bookmarks privately across browsers and devices

The cross-browser extension framework.

Manage git repositories, provide access to them over SSH, with tight access control and not needing shell accounts.

A customizable read mode web extension.

Web extension that adds keyboard shortcuts to Google, YouTube, Github, Amazon, and others (Chrome/Firefox/Edge/Safari)

Ramda Adjunct is the most popular and most comprehensive set of functional utilities for use with Ramda, providing a variety of useful, well tested functions with excellent documentation.

Barcode system for Grocy

Front-end to complement mozilla/addons-server

Expandable Minecraft server plugin for island-type games like SkyBlock or AcidIsland.

🧰 The enhancement suite for Tumblr's new web interface

ThunderAI is a Thunderbird Addon that uses the capabilities of ChatGPT, Gemini, Claude or Ollama to enhance email management.

Tessera (formerly ESP Screens): beautiful, easy touch screens for Home Assistant on affordable ESP32 panels, 2.8 to 10.1 inch (CYD, Guition, Waveshare). Drag-and-drop editor, no YAML, no MQTT.

AI chat and agent tooling for Godot, with both MCP support and in-built native chat window.

Open-source research workspace for connecting sources, evidence, notes and ideas. Built for academic research with Zotero integration. Available on MacOS, Windows and Linux.

Loading and handling microscopy data in blender

Reviactyl is a modern and open-source game server management panel built using Laravel, React, FilamentPHP, Vite, and Go. It focuses on security and performance by running every game server inside isolated Docker containers while providing users with a clean and intuitive interface.

MCP server for Blender. 175 tools for modelling, materials, rendering and more, driven by Claude or any MCP client.

m3u8 file downloader library and chrome & firefox extensions/add-on's