Browser automation CLI for AI agents

Curated list of design and UI resources from stock photos, web templates, CSS frameworks, UI libraries, tools and much more

⚓ A collection of high-performance JavaScript tools.

KeyCastr, an open-source keystroke visualizer

The best JavaScript Data Table for building Enterprise Applications. Supports React / Angular / Vue / Plain JavaScript.

A configuration framework that enhances Claude Code with specialized commands, cognitive personas, and development methodologies.

An open-source AI agent that brings the power of Gemini directly into your terminal.

Context7 MCP Server -- Up-to-date code documentation for LLMs and AI code editors

Staging repo for development of native port of TypeScript

🐕 Simulate user events

Get up and running with OpenAI gpt-oss, DeepSeek-R1, Gemma 3 and other models.

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

Scan for React performance issues and eliminate slow renders in your app

🌍 All in one i18n extension for VS Code

A virtual monitor for screen sharing

A collection of common interactive command line user interfaces.

TypeScript-first schema validation with static type inference

A toolchain for web projects, aimed to provide functionalities to maintain them. Biome offers formatter and linter, usable via CLI and LSP.

Advanced html to text converter

Evals is a framework for evaluating LLMs and LLM systems, and an open-source registry of benchmarks.

フリー株式会社で使用されている、デザインシステム

More than 100 powerful ESLint rules

A JavaScript library to position floating elements and create interactions for them.

Lexical is an extensible text editor framework that provides excellent reliability, accessibility and performance.

A completely customizable framework for building rich text editors. (Currently in beta.)

Self-host Open Source fonts in neatly bundled NPM packages.

Source code for the X Recommendation Algorithm

Locally run an Instruction-Tuned Chat-Style LLM

ESLint rules to disable mutation and promote fp in JavaScript and TypeScript.

Enforce best practices for JavaScript promises