Discover the most starred and trending open source tools tagged with #react.
Open source, composable payments platform | PCI compliant | SaaS and Self-host options | Enables connectivity to multiple payment, payout, fraud, vault and tokenization providers | Uplifts authorization with intelligent routing and revenue recovery | Reduce payment processing costs with cost observability | Reduces payment ops with reconciliation
An AI skill that provides design intelligence for building professional UI/UX across multiple platforms.
Local-first AI coding agent desktop: Electron + Rust host core + pi Agent Harness + user-installable plugins
π RuView turns commodity WiFi signals into real-time spatial intelligence, vital sign monitoring, and presence detection — all without a single pixel of video.
freeCodeCamp.org's open-source codebase and curriculum. Learn math, programming, and computer science for free.
Sketch Material 3 Expressive screens in the browser and turn them into vibe-coding prompts.
Composable, accessible components with thoughtful defaults. Build your own component library with code you can customize, extend, and make your own.
A one-of-a-kind resume builder that keeps your privacy in mind. Completely secure, customizable, portable, open-source and free forever. Try it out today!
Langflow is a powerful tool for building and deploying AI-powered agents and workflows.
Autonomous LLM Trading Asterism — a research-only multi-agent trading platform with evidence-first research, an auditable console, Shadow simulation and explicitly authorized broker execution.
Offline, privacy-first grammar checker. Fast, open-source, Rust-powered
🇨🇭 A React renderer for Three.js
The library for web and native user interfaces.
Open-source, self-hosted note-taking tool built for quick capture. Markdown-native, lightweight, and fully yours.
NobodyWho is an inference engine that lets you run LLMs locally and efficiently on any device.
Aesthetic, minimalist platform for learning Japanese inspired by Duolingo and Monkeytype, built with Next.js and sponsored by Vercel. Beginner-friendly with plenty of good first issues - all contributions are welcome!
A powerful, privacy-friendly open source web analytics tool that runs entirely on Cloudflare.
Apache Superset is a Data Visualization and Data Exploration Platform
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.
Application for importing and transferring Pokémon between save files