Free
RainbowKit
Open SourceWallets & Infrastructure · Web3 & Blockchain
The best-in-class React wallet-connect modal — beautiful UX over wagmi with multi-wallet support.
walletreactweb3ui
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Wallets & Infrastructure · Web3 & Blockchain
The best-in-class React wallet-connect modal — beautiful UX over wagmi with multi-wallet support.
UI Libraries · Frontend
Adobe's headless hooks and components that bake in accessibility, keyboard and internationalization.
Browser DevTools · Development Environment
Official React extension to inspect component trees, props and state in the browser or standalone.
State & Forms · Frontend
Performant, flexible forms library for React with easy validation.
Cross-Platform · Mobile Development
Build native mobile apps using React and JavaScript.
Mobile UI Libraries · Mobile Development
Material Design component library for React Native with theming, dark mode and icon sets included.
Frameworks · Frontend
The standard router for React, now a full framework (v7).
Animation · Frontend
Physics-based animation library for React — springs instead of durations for natural motion.
3D & WebGL · Frontend
A React renderer for Three.js — build scenes declaratively with components, hooks and the pmnd ecosystem.
Data Viz & Charts · Frontend
Composable charting library for React built on SVG with a declarative, component-based API.
Launchers & Automation · Developer Utilities
Free, open-source macOS window manager — snap and resize windows with keyboard shortcuts.
API Documentation · API Tools
OpenAPI linting, bundling and three-panel reference docs.
State & Forms · Frontend
Predictable state container for JavaScript apps with Redux Toolkit.
Browser DevTools · Development Environment
Time-travel debugging for Redux — replay actions, diff state and trace dispatched updates.
Hosting & Collaboration · Git & Version Control
Browser extension with 200+ quality-of-life improvements for the GitHub interface.
Regex
Generate regular expressions from sample text matches.
Regex
Visualize regular expressions as railroad diagrams.
Regex
Online regex tester with reference, cheatsheet and community patterns.
Frameworks · Frontend
Web-standard React framework merged into React Router v7.
Icons · Frontend
Open-source neutral-style system icon set with 3,000+ glyphs in outlined and filled styles.
Smart Contracts · Web3 & Blockchain
Browser IDE for Solidity — write, compile, deploy and debug contracts with zero local setup.
Tunneling & Debugging · API Tools
Open-source HTTP interception: modify requests, mock, and debug in browser.
Courses & Tutorials · Documentation & Learning
Community-driven developer roadmaps, guides and skill assessments.
Build & Lint · Frontend
Module bundler optimized for libraries and tree-shaking.