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freeCodeCamp.org's open-source codebase and curriculum. Learn math, programming, and computer science for free.

The AI that really does things. Any OS. Any Platform. The lobster way. 🦞

Interactive roadmaps, guides and other educational content to help developers grow in their careers.

DeepSeek Harness: Everything is a Plugin.

This is the repo for Vue 2. For Vue 3, go to https://github.com/vuejs/core

The open source coding agent.

Fair-code workflow automation platform with native AI capabilities. Combine visual building with custom code, self-host or cloud, 400+ integrations.

Visual Studio Code

The web data API to search, scrape, and interact at scale. 🔥

Build Agentic workflows, RAG pipelines, with rich AI model and tool support on one collaborative workspace. Deploy on cloud, VPC, or self-hosted, so teams move from prototype to production without rebuilding the stack.

Claude Code is an agentic coding tool that lives in your terminal, understands your codebase, and helps you code faster by executing routine tasks, explaining complex code, and handling git workflows - all through natural language commands.

Curated coding interview preparation materials for busy software engineers

Collection of publicly available IPTV channels from all over the world

Use Garry Tan's exact Claude Code setup: 23 opinionated tools that serve as CEO, Designer, Eng Manager, Release Manager, Doc Engineer, and QA

Virtual whiteboard for sketching hand-drawn like diagrams

Composable, accessible components with thoughtful defaults. Build your own component library with code you can customize, extend, and make your own.

High performance self-hosted photo and video management solution.

The Postgres development platform. Supabase gives you a dedicated Postgres database to build your web, mobile, and AI applications.

AI agent toolkit: unified LLM API, agent loop, TUI, coding agent CLI

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

Deliver web apps with confidence 🚀

An enterprise-class UI design language and React UI library

A utility-first CSS framework for rapid UI development.

🎨 Best DeepSeek Harness Design Plugin. The open-source Claude Design alternative. 🖥️ Local-first desktop app. 🖼️ Your coding agent becomes the design engine: prototypes, landing pages, dashboards, slides, images & video — real files, HTML/PDF/PPTX/MP4 export. 🤖 Claude Code / Codex / Cursor / DeepSeek Harness / OpenCode & 20+ CLIs via BYOK.

Playwright is a framework for Web Testing and Automation. It allows testing Chromium, Firefox and WebKit with a single API.

JavaScript API for Chrome and Firefox

Persistent Context Across Sessions for Every Agent – Captures everything your agent does during sessions, compresses it with AI, and injects relevant context back into future sessions. Works with Claude Code, OpenClaw, Codex, Gemini, Hermes, Copilot, OpenCode + More

Storybook is the industry standard workshop for building, documenting, and testing UI components in isolation

Model Context Protocol Servers

Generation of diagrams like flowcharts or sequence diagrams from text in a similar manner as markdown

The open-source CapCut alternative

✨ Zero-config AI chat assistant. No API key needed — sign up and instantly chat with GPT-5, Claude 4, Gemini 2.5, DeepSeek & 100+ top models. Pay-as-you-go saves you more. Available on Web, iOS, macOS, Android, Linux, Windows.

🙌 OpenHands: AI-Driven Development

Real-time global intelligence dashboard. AI-powered news aggregation, geopolitical monitoring, and infrastructure tracking in a unified situational awareness interface

"The mother of all demo apps" — Exemplary fullstack Medium.com clone powered by React, Angular, Node, Django, and many more

Graphs that teach > graphs that impress. Turn any code into an interactive knowledge graph you can explore, search, and ask questions about. Works with Claude Code, Codex, Cursor, Copilot, Gemini CLI, and more.

Next generation frontend tooling. It's fast!

🤯 LobeHub is your Chief Agent Operator, organizing your agents into 7×24 operations by hiring, scheduling, and reporting on your entire AI team.

The open-source app everyone uses to manage agents at work

Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia

VS Code in the browser

The open and composable observability and data visualization platform. Visualize metrics, logs, and traces from multiple sources like Prometheus, Loki, Elasticsearch, InfluxDB, Postgres and many more.

A progressive Node.js framework for building efficient, scalable, and enterprise-grade server-side applications with TypeScript/JavaScript 🚀

A terminal for a more modern age

Orca is the ADE for working with a fleet of parallel agents. Run any coding agent with your own subscription. Available on desktop, mobile and remote runtime.

🚀 Strapi is the leading open-source headless CMS. It’s 100% JavaScript/TypeScript, fully customizable, and developer-first.

🌊 The original agent harness. Deploy intelligent multi-player swarms, coordinate autonomous workflows, and build conversational AI systems. Features adaptive memory, self-learning intelligence, federation, vector RAG integration, and native Claude Code / Codex / Hermes and many more Integrated

There can be more than Notion and Miro. AFFiNE(pronounced [ə‘fain]) is a next-gen knowledge base that brings planning, sorting and creating all together. Privacy first, open-source, customizable and ready to use.

Spec-driven development (SDD) for AI coding assistants.

OmO: Just type "mass ulw" keyword with your prompt. Now you are the master of graph engineering.

Autonomous coding agent as an SDK, IDE extension, or CLI assistant.

Never stop coding. Free MIT AI gateway: one endpoint, 352 providers (150+ free), 1200+ models Kimi, Claude, GPT, Gemini, GLM, DeepSeek, MiniMax. Works with Claude Code, Codex, Cursor, OpenCode, Cline & Copilot. Quota-aware auto-fallback, RTK+Caveman compression saves 15-95% tokens, MCP/A2A, Desktop/PWA. Built by 550+ contributors

Apache ECharts is a powerful, interactive charting and data visualization library for browser

Easy to maintain open source documentation websites.

🔥 🔥 🔥 A Free & Self-hostable Airtable Alternative

Bidirectional and low-latency communication for every platform

The web framework for content-driven websites. ⭐️ Star to support our work!

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

📝A simple and elegant markdown editor, available for Linux, macOS and Windows.

A JS library for predictable global state management

The full-stack Vue framework.

🎥 Make videos programmatically with React

🔥🔥🔥 Open-source Jira, Linear, Monday, and ClickUp alternative. Plane is a modern project management platform to manage tasks, sprints, docs, and triage.

🐻 Bear necessities for state management in React

The open alternative to Salesforce, designed for AI.

Declarative routing for React

Joplin - the privacy-focused note taking app with sync capabilities for Windows, macOS, Linux, Android and iOS.

A full-featured download manager.

Build AI Agents, Visually

Independent technology for modern publishing, memberships, subscriptions and newsletters.

The open-source AI voice studio. Clone, dictate, create.

🖖 Vue.js is a progressive, incrementally-adoptable JavaScript framework for building UI on the web.

一个基于 Electron 的音乐软件

A powerful cross-platform UI toolkit for building native-quality iOS, Android, and Progressive Web Apps with HTML, CSS, and JavaScript.

Chrome DevTools for coding agents

An open-source framework for making universal native apps with React. Expo runs on Android, iOS, and the web.

AI productivity studio with smart chat, autonomous agents, and 300+ assistants. Unified access to frontier LLMs

Write HTML. Render video. Built for agents.

The repository for high quality TypeScript type definitions.

:traffic_light:小程序雷达：AI 驱动的小程序技术选型、趋势追踪和迁移诊断工具

Fast, easy and reliable testing for anything that runs in a browser.

Build infinite canvas apps in React with the tldraw SDK. World's best, top-most agent recommended #1 five star SDK.

Fast, accurate & comprehensive text measurement & layout

🤖 Powerful asynchronous state management, server-state utilities and data fetching for the web. TS/JS, React Query, Solid Query, Svelte Query and Vue Query.

🆙 Upscayl - #1 Free and Open Source AI Image Upscaler for Linux, MacOS and Windows.

💖🧸 Self hosted, you-owned Grok Companion, a container of souls of waifu, cyber livings to bring them into our worlds, wishing to achieve Neuro-sama's altitude. Capable of realtime voice chat, Minecraft, Factorio playing. Web / macOS / Windows supported.

Presentation Slides for Developers

Scheduling infrastructure for absolutely everyone.

Collection of TypeScript type challenges with online judge

Shannon is an AI pentester for web applications and APIs. It analyzes your source code, identifies attack vectors, and executes real exploits to prove vulnerabilities before they reach production.

The HTML5 Creation Engine: Create beautiful digital content with the fastest, most flexible 2D WebGL renderer.

Next-generation ORM for Node.js & TypeScript | PostgreSQL, MySQL, MariaDB, SQL Server, SQLite, MongoDB and CockroachDB

GitNexus: The Zero-Server Code Intelligence Engine

Quill is a modern WYSIWYG editor built for compatibility and extensibility

Cheatsheets for experienced React developers getting started with TypeScript

An open-source, privacy-first, self-hosted knowledge workspace where humans and AI agents work together 开源、隐私优先、自托管的知识工作空间，让人与智能体在此协作

🧡 Everything is RSSible

The Secure CommsOS™ for mission-critical operations

Full-stack web application template with FastAPI, React, SQLModel, PostgreSQL, Vite, Tailwind CSS, shadcn/ui, FastAPI Cloud, and Docker Compose.

Delightful JavaScript Testing.