The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.

The library for web and native user interfaces.

📝 Algorithms and data structures implemented in JavaScript with explanations and links to further readings

Java 面试 & 后端通用面试指南，覆盖计算机基础、数据库、分布式、高并发、系统设计与 AI 应用开发

Makes your AI agent think like the laziest senior dev in the room. The best code is the code you never wrote.

JavaScript Style Guide

The React Framework

Coding articles to level up your development skills

Node.js JavaScript runtime ✨🐢🚀✨

JavaScript 3D Library.

Promise based HTTP client for the browser and node.js

Set up a modern web app by running one command.

Production-grade engineering skills for AI coding agents.

Material UI: Comprehensive React component library that implements Google's Material Design. Free forever.

24 Lessons, 12 Weeks, Get Started as a Web Developer

Clean Code concepts adapted for JavaScript

A fancy self-hosted monitoring tool

Taste-Skill - gives your AI good taste. stops the AI from generating boring, generic slop

web development for the rest of us

:zap: Dynamically generated stats for your github readmes

The iconic SVG, font, and CSS toolkit

Get a full fake REST API with zero coding in less than 30 seconds (seriously)

Agent skill for beautiful, verifiable architecture, workflow, sequence, data-flow, and lifecycle diagrams—self-contained HTML with motion and crisp export.

JavaScript animation engine

Open-source AI job search agent: scan job portals, evaluate listings into a structured A-H report with a global 1-5 score, tailor your CV, track applications — runs locally in your AI coding CLI (Claude Code, Codex, OpenCode, Antigravity…)

The design language that makes your AI harness better at design.

The HTML Presentation Framework

Fast, unopinionated, minimalist web framework for node.

Documented system prompts from Anthropic - Claude Fable 5.1, Opus 5.5, Claude Design, Claude Code. OpenAI - ChatGPT GPT-6-Astra, Codex. Google - Gemini 3.8 Flash, 3.1 Pro, Antigravity. xAI - Grok, Grok Bot, Cursor, Kimi and more! Updated regularly.

uBlock Origin - An efficient blocker for Chromium and Firefox. Fast and lean.

Simple HTML5 Charts using the <canvas> tag

Stop renting your intelligence. Own it with AnythingLLM. Everything you need for a powerful local-first agent experience

📜 33 JavaScript concepts every developer should know.

An advanced guide which might benefit you a lot 🎉 . 韩先凯的人生进阶指南 人生进阶指南 离谱的人生 人生进阶 AI学习 AI指南 韩先凯的AI学习指南 英语学习指南/英语学习教程/英语学习/学英语

A bundler for javascript and friends. Packs many modules into a few bundled assets. Code Splitting allows for loading parts of the application on demand. Through "loaders", modules can be CommonJs, AMD, ES6 modules, CSS, Images, JSON, Coffeescript, LESS, ... and your custom stuff.

A light-weight and powerful meta-prompting, context engineering and spec-driven development system for Claude Code by TÂCHES.

Official electron build of draw.io

Resumes generated using the GitHub informations

A modern JavaScript utility library delivering modularity, performance, & extras.

:atom: The hackable text editor

Google Chrome, Firefox, and Thunderbird extension that lets you write email in Markdown and render it before sending.

jQuery JavaScript Library

AngularJS - HTML enhanced for web apps!

深度学习500问，以问答形式对常用的概率知识、线性代数、机器学习、深度学习、计算机视觉等热点问题进行阐述，以帮助自己及有需要的读者。 全书分为18个章节，50余万字。由于水平有限，书中不妥之处恳请广大读者批评指正。 未完待续............ 如有意合作，联系scutjy2015@163.com 版权所有，违权必究 Tan 2018.06

A professional front-end template for building fast, robust, and adaptable web apps or sites.

React-based framework with performance, scalability, and security built in.

LeetCode Solutions: A Record of My Problem Solving Journey.( leetcode题解，记录自己的leetcode解题之路。)

PDF Reader in JavaScript

The most comprehensive database of Chinese poetry 🧶最全中华古诗词数据库, 唐宋两朝近一万四千古诗人, 接近5.5万首唐诗加26万宋诗. 两宋时期1564位词人，21050首词。

Prettier is an opinionated code formatter.

⭐️ Companies that don't have a broken hiring process

Marketing skills for Claude Code and AI agents. CRO, copywriting, SEO, analytics, and growth engineering.

Semantic is a UI component framework based around useful principles from natural language.

Based on a true story

</> htmx - high power tools for HTML

:fireworks:Interactive Online Platform that Visualizes Algorithms from Code

⏰ Day.js 2kB immutable date-time library alternative to Moment.js with the same modern API

An open source collection of animated, interactive & fully customizable React components for building memorable websites.

Parse, validate, manipulate, and display dates in javascript.

Opensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia)

⚡ Serverless Framework – Effortlessly build apps that auto-scale, incur zero costs when idle, and require minimal maintenance using AWS Lambda and other managed cloud services.

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

A browser based code editor

👩‍💻👨‍💻 Awesome cheatsheets for popular programming languages, frameworks and development tools. They include everything you should know in one single file.

A tool for writing better scripts

🍃 JavaScript library for mobile-friendly interactive maps 🇺🇦

A spy satellite simulator in your browser, except the data is real. Live open source spatial intelligence on a photorealistic 3D globe.

A cross-platform, customizable science fiction terminal emulator with advanced monitoring & touchscreen support.

List of top 500 ReactJS Interview Questions & Answers....Coding exercise questions are coming soon!!

Meteor, the JavaScript App Platform

A visual no-code/code-free web crawler/spider易采集：一个可视化浏览器自动化测试/数据采集/网页爬虫软件，可以无代码图形化的设计和执行爬虫任务。别名：ServiceWrapper面向Web应用的智能化服务封装系统。

The zero configuration build tool for the web. 📦🚀

Front End interview preparation materials for busy engineers (updated for 2026)

Node.js/Typescript/Bun Production Process Manager with a built-in Load Balancer.

🌼 🌼 🌼 🌼 🌼  The most popular, free and open-source Tailwind CSS component library

A cross-platform framework using Vue.js

The 1.x line is frozen - features and bugfixes now happen on https://github.com/yarnpkg/berry

The best design tools and plugins for everything 👉

Call all Node.js modules directly from DOM/WebWorker and enable a new way of writing applications with all Web technologies.

Open-source foundation of ToolJet AI - the enterprise app generation platform for internal tools, dashboards, business applications, workflows and AI agents. Build visually, from a prompt, or from Claude Code, Codex and Cursor over MCP 🚀

Source for remoteintech.company — a community-maintained directory of remote-friendly tech companies

📄 Configuration files that enhance Cursor AI editor experience with custom rules and behaviors

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.

Video.js - open source HTML5 video player

Free, simple, and intuitive online database diagram editor and SQL generator.

Community-contributed instructions, agents, skills, and configurations to help you make the most of GitHub Copilot.

⚛️ Fast 3kB React alternative with the same modern API. Components & Virtual DOM.

Materialize, a CSS Framework based on Material Design

Pure Javascript OCR for more than 100 Languages 📖🎉🖥

It's a presentation framework based on the power of CSS3 transforms and transitions in modern browsers and inspired by the idea behind prezi.com.

🤪 A list of funny and tricky JavaScript examples

Fast and low overhead web framework, for Node.js

LLM API 管理 & 分发系统，支持 OpenAI、Azure、Anthropic Claude、Google Gemini、DeepSeek、字节豆包、ChatGLM、文心一言、讯飞星火、通义千问、360 智脑、腾讯混元等主流模型，统一 API 适配，可用于 key 管理与二次分发。单可执行文件，提供 Docker 镜像，一键部署，开箱即用。LLM API management & key redistribution system, unifying multiple providers under a single API. Single binary, Docker-ready, with an English UI.

:black_heart: Create and share beautiful images of your source code

The Cyber Swiss Army Knife - a web app for encryption, encoding, compression and data analysis

本文原文由知名 Hacker Eric S. Raymond 所撰寫，教你如何正確的提出技術問題並獲得你滿意的答案。

Expressive middleware for node.js using ES2017 async functions

fullPage plugin by Alvaro Trigo. Create full screen pages fast and simple

Git hooks made easy 🐶 woof!

A boilerplate for Node.js web applications

🚀🚀🚀A faster, better and more stable Redis desktop manager [GUI client], compatible with Linux, Windows, Mac.

Algorithms and Data Structures implemented in JavaScript for beginners, following best practices.

:scissors: Modern copy to clipboard. No Flash. Just 3kb gzipped :clipboard:

An interactive git visualization and tutorial. Aspiring students of git can use this app to educate and challenge themselves towards mastery of git!

GitHub 汉化插件，GitHub 中文化界面。 (GitHub Translation To Chinese)

LLM Frontend for Power Users.

Beautiful and accessible drag and drop for lists with React

Prompt as Code | GPT Image 2 / 2.5 提示词与案例库，530+ 个案例、20+ 套工业级模板与可复用 Skills，新增 2.5 同提示词对比专区，附完整提示词与生成记录，持续更新。

Use Codex from Claude Code to review code or delegate tasks.

Visualizer for neural network, deep learning and machine learning models

The OWASP Cheat Sheet Series was created to provide a concise collection of high value information on specific application security topics.

An open source code editor for the web, written in JavaScript, HTML and CSS.

A toolkit to automate & enhance your workflow

A highly customizable homepage (or startpage / application dashboard) with Docker and service API integrations.

High performance Node.js image processing, the fastest module to resize JPEG, PNG, WebP, AVIF and TIFF images. Uses the libvips library.

Render After Effects animations natively on Web, Android and iOS, and React Native. http://airbnb.io/lottie/

Vercel's official collection of agent skills

🃏 A magical documentation site generator.

⚡️ Streaming torrent client for the web

Client-side JavaScript PDF generation for everyone.

Roadmap to becoming an Artificial Intelligence Expert in 2022

前端精读周刊。帮你理解最前沿、实用的技术。

Reorderable drag-and-drop lists for modern browsers and touch devices. No jQuery or framework required.

Automated auditing, performance metrics, and best practices for the web.

一套遵循浏览器原生态开发模式的 Web UI 组件库。

A lightweight JavaScript library for creating particles

Unlimited FREE AI coding. Connect Claude Code, Codex, Cursor, Cline, Copilot, Antigravity to FREE Claude/GPT/Gemini via 40+ providers. Auto-fallback, RTK -40% tokens, never hit limits.

A simple HTML5, YouTube and Vimeo player

Create beautiful slides on the web using a coding agent's frontend skills

A CSS-first, native, zero-build layout and styling framework for web designers.

Make Any Website into CLI & Use your logged-in browser by AI agent.

500 Lines or Less

🛠️ webpack-based tooling for Vue.js Development

🔥 A highly scalable, offline-first foundation with the best developer experience and a focus on performance and best practices.

Unrestricted Open-source alternative to AI video platforms — Free AI image & video generation studio with 600+ models (Flux, Midjourney, Kling, Sora, Veo). No content filters. Self-hosted, MIT licensed.

🌟 JavaScript Style Guide, with linter & automatic code fixer

A set of best practices for JavaScript projects

🎨 A curated list of delightful VS Code packages and resources.

Swagger UI is a collection of HTML, JavaScript, and CSS assets that dynamically generate beautiful documentation from a Swagger-compliant API.

Create the next immutable state by mutating the current one

Helping you select a JavaScript framework - Todo apps for React.js, Angular, Vue and many more

GSAP (GreenSock Animation Platform), a JavaScript animation library for the modern web

Clash for Windows 的前汉化版. 现在提供 Clash for Windows 的改进版本, 这包括 Mihomo 核心替换, AnyTLS 等现代协议兼容

:snowman: Possibly the smallest compiler ever

the last carousel you'll ever need

✯ 可直连访问的电视/广播图标库与相关工具项目 ✯ 🔕 永久免费 直连访问 完整开源 不断完善的台标 支持IPv4/IPv6双栈访问 🔕

node.js command-line interfaces made easy

A modern ebook manager and reader with sync and backup capacities for Windows, macOS, Linux, Android, iOS and Web

🗃️ Centralized State Management for Vue.js.

⚙️ NGINX config generator on steroids 💉

A Claude Code plugin that shows what's happening - context usage, active tools, running agents, and todo progress

Async utilities for node and the browser

An AI-powered task-management system you can drop into Cursor, Lovable, Windsurf, Roo, and others.

Give your JS App some Backbone with Models, Views, Collections, and Events

分流规则、重写写规则及脚本。

Animate on scroll library

YApi 是一个可本地部署的、打通前后端及QA的、可视化的接口管理平台

List of 1000 JavaScript Interview Questions

Find and fix problems in your JavaScript code.

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

MongoDB object modeling designed to work in an asynchronous environment.

我是依扬（木易杨），公众号「高级前端进阶」作者，每天搞定一道前端大厂面试题，祝大家天天进步，一年后会看到不一样的自己。

JavaScript's utility _ belt

Concise, consistent, and legible badges in SVG and raster format

In-browser code editor (version 5, legacy)

Quasar Framework - Build high-performance VueJS user interfaces in record time

Ace (Ajax.org Cloud9 Editor)

React components for efficiently rendering large lists and tabular data

The hacker's browser.

🎮 Open-source, cross-platform 2D/3D/multiplayer game engine designed for everyone.

A tiny (118 bytes), secure, URL-friendly, unique string ID generator for JavaScript

Monitor for any changes in your node.js application and automatically restart the server - perfect for development

For slim progress bars like on YouTube, Medium, etc

Next-generation ES module bundler

前端面试每日 3+1，以面试题来驱动学习，提倡每日学习与思考，每天进步一点！每天早上5点纯手工发布面试题（死磕自己，愉悦大家），6000+道前端面试题全面覆盖，HTML/CSS/JavaScript/Vue/React/Nodejs/TypeScript/ECMAScritpt/Webpack/Jquery/小程序/软技能……

Simply beautiful open-source icons

SVG icons for popular brands

Select2 is a jQuery based replacement for select boxes. It supports searching, remote data sets, and infinite scrolling of results.

A window.fetch JavaScript polyfill.

🌈谷粒-Chrome插件英雄榜, 为优秀的Chrome插件写一本中文说明书, 让Chrome插件英雄们造福人类~ ChromePluginHeroes, Write a Chinese manual for the excellent Chrome plugin, let the Chrome plugin heroes benefit the human~ 公众号「0加1」同步更新

💾 Offline storage, improved. Wraps IndexedDB, WebSQL, or localStorage using a simple but powerful API.

Modernizr is a JavaScript library that detects HTML5 and CSS3 features in the user’s browser.

Standard Library

🏊🏾 Simplified HTTP request client.

Javascript audio library for the modern web.

JavaScript image gallery for mobile and desktop, modular, framework independent

JavaScript syntax highlighter with language auto-detection and zero dependencies.

:love_letter: An extensible desktop mail app built on the modern web. Forks welcome!

Command-line tool to customize Spotify client. Supports Windows, macOS, and Linux.

📗🌐 🚢 Comprehensive and exhaustive JavaScript & Node.js testing best practices (August 2025)

A logger for just about everything.

A javascript library for multi-touch gestures :// You can touch this

Package your Node.js project into an executable

开发者边车，github打不开，github加速，git clone加速，git release下载加速，stackoverflow加速

API, CLI, and Web App for analyzing and finding a person's profile in 1000 social media \ websites

收集全网 Android TV电视盒子应用，涵盖影视、直播、K歌、工具、游戏等类型，整理优质APK资源，支持便捷下载与自动更新。提供安全验证、分类索引与兼容性标注，助力用户打造家庭影音娱乐中心！ ✅ TVBox/影视仓等影音壳接口配置源。

📦🚀 Fully automated version management and package publishing

p5.js is a client-side JS platform that empowers artists, designers, students, and anyone to learn to code and express themselves creatively on the web. It is based on the core principles of Processing. Looking for p5.js 2.0? http://beta.p5js.org

:ram: Practical functional Javascript

MagicMirror² is an open source modular smart mirror platform. With a growing list of installable modules, the MagicMirror² allows you to convert your hallway or bathroom mirror into your personal assistant.