Stars
Ultra-fast JSON Schema validator. 4.6x faster validation, 2,051x faster compilation. Works without native addon. Draft 2020-12 + Draft 7, RE2, simdjson, multi-core. Standard Schema V1.
Fast, accurate & comprehensive text measurement & layout
Google Workspace CLI — one command-line tool for Drive, Gmail, Calendar, Sheets, Docs, Chat, Admin, and more. Dynamically built from Google Discovery Service. Includes AI agent skills.
Chrome extension to let agents control your browser. Runs Playwright snippets in a stateful sandbox. Available as CLI or MCP
Worktrunk is a CLI for Git worktree management, designed for parallel AI agent workflows
âš“ A collection of high-performance JavaScript tools.
Captures your web app's complete development timeline - server logs, browser events, console messages, network requests, and automatic screenshots - in a unified, timestamped feed for AI debugging.
A React framework f 8000 or building instant web apps.
🦀 Zero-runtime CSS-in-JS powered by Rust. Write styled-components syntax, get build-time CSS extraction and full RSC compatibility
The beautiful & flexible React.js docs framework.
Simple, fast, extensible build tool. Powered by Rspack 🦀
Fast Rust-based bundler for the web with a modernized webpack API 🦀
👻 Ghostty is a fast, feature-rich, and cross-platform terminal emulator that uses platform-native UI and GPU acceleration.
Scan for React performance issues and eliminate slow renders in your app
The library for web and native user interfaces.
A toolchain for web projects, aimed to provide functionalities to maintain them. Biome offers formatter and linter, usable via CLI and LSP.
The AI Toolkit for TypeScript. From the creators of Next.js, the AI SDK is a free open-source library for building AI-powered applications and agents
A library for creating Scrollytelling animations, powered by React & GSAP.
Enlightened library to convert HTML and CSS to SVG
🚀 Fast and simple Node.js version manager, built in Rust
Build system optimized for JavaScript and TypeScript, written in Rust
Simple, powerful and flexible site generation framework with everything you love from Next.js.