Stars
Your agent writes bad React. This catches it
Enforce architectural boundaries in your JavaScript and TypeScript projects
A tiling window manager for macOS based on binary space partitioning
🤖 Headless, performant, and type-safe form state management for TS/JS, React, Vue, Angular, Solid, and Lit.
Utilities for debouncing, throttling, rate limiting, and queueing. Non-async and Async.
a fast, modern browser for the npm registry
Effect-Query - The Tanstack Query integration with Effect.
Calculate the real cost to run your JS app or lib to keep good performance. Show error in pull request if the cost exceeds the limit.
The Python micro framework for building web applications.
💌 Build and send emails using React
Unstyled UI components for building accessible web apps and design systems. From the creators of Radix, Floating UI, and Material UI.
The lightweight, schema-first, and fully type-safe form library for React, Solid, Vue, Svelte and more.
🤖 Type-safe, provider-agnostic TypeScript AI SDK for streaming chat, tool calling, agents, and multimodal apps across OpenAI, Anthropic, Gemini, React, Vue, Svelte, and Solid.
Official Sentry SDKs for JavaScript
A standard interface for TypeScript schema validation libraries
Debug your apps, find hydration errors, trace your network and more in your react-router app with these devtools
The CLI for codemods: scaffold, share, and run multi-step transformations of any size. First-class ast-grep support. Fast, reliable, polyglot.
Catch unnecessary React effects for simpler, faster, safer code.
Deliver web apps with confidence 🚀
A modern JavaScript utility library that's 2-3 times faster and up to 97% smaller—a major upgrade to lodash.
Simple, yet powerful Web- & Product Analytics.
Developer & translator friendly web-based localization platform
👾 The lightest signal library
Fast Rust-based bundler for the web with a modernized webpack API 🦀
A super-simple-small promise-based keyval store implemented with IndexedDB