Top REACT GitHub Repositories & Tools (2026)

:leaves: ReactiveMongo plugin for Playframework

#1 Self hosted CMMS web & mobile application that allows you to manage enterprise maintenance for free - Computerized Maintenance Management System

📖 Preact documentation website.

Kition brings Markdown, DataTable, WhiteBoard, a tool-using AI agent, browser research, and visual workflows into one desktop workspace.

Per-component Internationalisation solution for JS application. Type-Safe. Translate with AI. Edit Visually.

Open-source AI pair programming for desktop: a Mentor + Executor agent cross-check each other's code to catch AI hallucinations. Works with Claude Code, Codex, Gemini & opencode. macOS / Windows / Linux.

Your web skills, now in Unity.

Typescript framework for building decentralized identity and verifiable credential solutions

Open-source, self-hosted photo and video galleries for photographers and events, with client proofing, password protection, guest uploads, custom branding and Docker deployment.

Jitsi Meet mobile SDK examples (Android, iOS and React Native)

An alternative mobile client for Israel Railways

A BepInEx mod for The Bazaar.

Offline-first SQL sync with Typescript and Rust cores

Competitive Splatoon Platform

The Complete AI Development Toolkit for Claude Code. 106 skills, 36 agents, 171 hooks. Install `ork` for stable (v9.x), or `ork-alpha` for the v10 line, which ships daily.

SmallRye Reactive Messaging

An open-source nuclear reactor analysis automation framework that helps design teams increase efficiency and quality

Reactive validation for ReactiveUI view models. Declare validation rules as observables over properties and bind the results to views on any supported .NET platform.

An open source web application for building, managing, and playtesting Magic the Gathering cubes.

LI.FI - Bridge & DEX aggregation: Any-to-Any Cross-Chain-Swap SDK