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

Your own personal AI assistant. Any OS. Any Platform. The lobster way. 🦞

TypeScript is a superset of JavaScript that compiles to clean JavaScript output.

🔥 The Web Data API for AI - Turn entire websites into LLM-ready markdown or structured data

JavaScript API for Chrome and Firefox

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

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

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

Model Context Protocol Servers

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

Build AI Agents, Visually

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

Collection of TypeScript type challenges with online judge

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

very good whiteboard infinite canvas SDK

TypeScript-first schema validation with static type inference

Scheduling infrastructure for absolutely everyone.

🧙‍♀️ Move Fast and Break Nothing. End-to-end typesafe APIs made easy.

TypeScript & JavaScript ORM for Node.js — supports PostgreSQL, MySQL, MariaDB, SQLite, SQL Server, Oracle, and more.

Improve your resumes with Resume Matcher. Get insights, keyword suggestions and tune your resumes to job descriptions.

Focalboard is an open source, self-hosted alternative to Trello, Notion, and Asana.

Roo Code gives you a whole dev team of AI agents in your code editor.

Build production-ready applications in TypeScript

JavaScript in-page GUI agent. Control web interfaces with natural language.

Super-fast/easy runtime validators and serializers via transformation

The open source Trello alternative.

💾 Configurable persistence and rehydration of Pinia stores

🎞️ An intuitive CLI for processing video, powered by FFmpeg

Open-Source Generative UI Framework

Portable multi-agent harness for .agents-based skills, workflows, and standards-aware agent teams across Antigravity, Claude Code, Codex, OpenCode, and more.