Top REACT GitHub Repositories & Tools (2026)

Appwrite® - complete cloud infrastructure for your web, mobile and AI apps. Including Auth, Databases, Storage, Functions, Messaging, Hosting, Realtime and more

A reactive notebook for Python — run reproducible experiments, query with SQL, execute as a script, deploy as an app, and version with git. Stored as pure Python. All in a modern, AI-native editor.

Open Source Algo Trading Platform for Everyone

Self-hosted OpenAI-compatible API for Qoder CLI login,workbuddy, with SQLite multi-account routing

Create beautiful applications using Go

React Flow | Svelte Flow - Powerful open source libraries for building node-based UIs with React (https://reactflow.dev) or Svelte (https://svelteflow.dev). Ready out-of-the-box and infinitely customizable.

⚡️⚡️⚡️ Self-hosted collaborative bookmark manager to collect, read, annotate, and fully preserve what matters, all in one place.

✨ Zero-config AI chat assistant. No API key needed — sign up and instantly chat with GPT-5, Claude 4, Gemini 2.5, DeepSeek & 100+ top models. Pay-as-you-go saves you more. Available on Web, iOS, macOS, Android, Linux, Windows.

An enterprise-class UI design language and React UI library

Conductor is an event driven agentic workflow engine providing durable and highly resilient execution engine for applications and AI Agents

Medplum is a healthcare platform that helps you quickly develop high-quality compliant applications.

A hardware-accelerated video editor built on Rust, Tauri v2, and React 19. Sub-10ms frame decoding, GPU-native rendering, and a frame-accurate timeline — all free and open source under MIT.

Storybook is the industry standard workshop for building, documenting, and testing UI components in isolation

Typesafe APIs Made Simple 🪄

Unstyled UI components for building accessible web apps and design systems. From the creators of Radix, Floating UI, and Material UI.

Open-source desktop and web app for Meta's Muse Code CLI. Runs Muse natively on Windows, macOS and WSL2, with a file viewer, inline diffs, approvals and signed auto-updating installers.

Real-time intraday stock scanner for US equities with a browser dashboard you lay out yourself

A framework for building native applications using React

AI-powered Storybook story generator — works with any framework, any design system, any LLM provider

Flagsmith is an open-source feature flag platform with remote config, experimentation, and self-hosted or cloud deployment options.