The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.
Repository Index
47,133 repositories indexed
1–24 of 95 · Most stars
Coding articles to level up your development skills
web development for the rest of us
30 days of JavaScript programming challenge is a step-by-step guide to learn JavaScript programming language in 30 days. This challenge may take more than 100 days, please just follow your own pace. These videos may help too: https://www.youtube.com/channel/UC7PNRuno1rzYPb1xLa4yktw
👩💻👨💻 Awesome cheatsheets for popular programming languages, frameworks and development tools. They include everything you should know in one single file.
Front End interview preparation materials for busy engineers (updated for 2026)
Phaser is a fun, free and fast 2D game framework for making HTML5 games for desktop and mobile web browsers, supporting Canvas and WebGL rendering.
🛠️ webpack-based tooling for Vue.js Development
🌟 JavaScript Style Guide, with linter & automatic code fixer
🎮 Open-source, cross-platform 2D/3D/multiplayer game engine designed for everyone.
30 Days of React challenge is a step by step guide to learn React in 30 days. These videos may help too: https://www.youtube.com/channel/UC7PNRuno1rzYPb1xLa4yktw
Monitor for any changes in your node.js application and automatically restart the server - perfect for development
A set of free MIT-licensed high-quality SVG icons for UI development.
web development, streamlined
ESM-powered frontend build tool. Instant, lightweight, unbundled development. ✌️
:a: Web framework for building virtual reality experiences.
Powerful web graphics runtime built on WebGL, WebGPU, WebXR and glTF
Flat UI Free - Design Framework (html/css3/less/js). Flat UI is based on Bootstrap, a comfortable, responsive, and functional framework that simplifies the development of websites.
Control and manage Android devices from your browser.
An online IDE for rapid web development
Community curated list of templates for the nuclei engine to find security vulnerabilities.
The open curriculum for learning web development
𝙃𝙪𝙜𝙚 collection of Tailwind MIT licensed (free) components, sections and templates 😎
Source Code for Sigma Web Development Course