Top EXTENSIONS GitHub Repositories & Tools (2026)

A monorepo of Pi Coding Agent extensions

A feature-packed Android media downloader. View all native stream formats, download full playlists, manage batch queues, and much more

A composable, cross-platform MVVM framework for .NET inspired by functional reactive programming. It moves mutable state out of the user interface, keeps each feature's logic in one readable place, and makes applications easier to test. Supports WPF, WinForms, WinUI, .NET MAUI, Avalonia, Uno Platform, Blazor and Android.

The cross-browser extension framework.

Zephir is a compiled high-level language aimed to ease the creation of C-extensions for PHP

Improving GitHub's Forks list discoverability through automatic filtering. The project offers an online tool and a Chrome extension.

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

Homebrew tap for PHP extensions :beers:

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.

⚡ Kotlin Coroutines binding APIs for Android UI widgets from the platform and support libraries

JoinFaces: JSF Spring Boot Starters - JSF inside Spring Boot Application

Stratos: Web-based Management UI for Cloud Foundry and Kubernetes

CredHub centralizes and secures credential generation, storage, lifecycle management, and access

Reactor Kotlin Support

Build a Calendar By Pure SwiftUI

PrimeFaces Extensions

TakaTime is a blazingly fast, privacy-first coding activity tracker and the open-source, self-hosted alternative to WakaTime. Track your development activity across Neovim, VS Code, JetBrains IDEs, and Antigravity while generating rich analytics, beautiful dashboards, and GitHub profile statistics—all powered by your own MongoDB database.

Ruby on Rails MIME and syntax files for gedit

Scan your dev machine for AI agents, MCP servers, IDE extensions, and suspicious packages - in seconds.