Learn System Design concepts and prepare for interviews using free resources.

K8sQuest — A local, hands-on Kubernetes learning game with real-world troubleshooting challenges. Practice Pods, Deployments, Services, networking, storage, and debugging using kubectl on a local c…

Ultra-lightweight, zero dependency, semantic HTML, CSS, JS UI library. ~8KB min+gz.

iOS-like Cover Flow for React. Fluid, physical motion with zero layout shifts. Built for the modern web with Motion and Tailwind.

More than 100 powerful ESLint rules

A beautiful, blooming color picker component build by Tailwind for Web. 🌟 If you like it, give it a star :)

🎨 Lightweight Color Picker component for React.

The Concise TypeScript Book: A Concise Guide to Effective Development in TypeScript. Free and Open Source.

Public repository for Agent Skills

Comprehensive Claude Code project configuration example with hooks, skills, agents, commands, and GitHub Actions workflows

"DeepTutor: AI-Powered Personalized Learning Assistant"

An open-source, self-hosted note-taking service. Your thoughts, your data, your control — no tracking, no ads, no subscription fees.

Beautiful map components. 100% Free, Zero config, one command setup.

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

Modern and easy to use SQL client for MySQL, Postgres, SQLite, SQL Server, and more. Linux, MacOS, and Windows.

Test your email HTML against major email clients. Check CSS compatibility across Gmail, Outlook, Apple Mail, and more.

Convert object keys to camel case

React hook library, ready to use, written in Typescript.

A comprehensive collection of modern, reusable React hooks designed to simplify your development workflow and enhance your applications.

A set of common Unstoppable Domains components 🧩

Custom React directives

💌 Build and send emails using React

🎧 Web page for listen combinations of sounds for relax, sleep, or getting more productive on tasks.

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

Essential utilities for TypeScript projects

Datasets for the Runa Open Source Startup (ROSS) Index—quarterly top-20 trending open-source startups ranked by GitHub star growth.

Anthropic's Interactive Prompt Engineering Tutorial

Intelligent automation and multi-agent orchestration for Claude Code