freeCodeCamp.org's open-source codebase and curriculum. Learn to code for free.

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

Visual Studio Code

💯 Curated coding interview preparation materials for busy software engineers

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

A utility-first CSS framework for rapid UI development.

Virtual whiteboard for sketching hand-drawn like diagrams

The open source Firebase alternative. Supabase gives you a dedicated Postgres database to build your web, mobile, and AI applications.

Beautifully designed components that you can copy and paste into your apps. Accessible. Customizable. Open Source.

Declarative routing for React

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

Joplin - the secure note taking and to-do app with synchronisation capabilities for Windows, macOS, Linux, Android and iOS.

Your backend, minus the hassle.

🐉 Vue Component Framework

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

Presentation Slides for Developers

A declarative, efficient, and flexible JavaScript library for building user interfaces.

🤖 Assemble, configure, and deploy autonomous AI Agents in your browser.

A JavaScript library to position floating elements and create interactions for them.

Actor-based state management & orchestration for complex app logic.

A React Framework for building internal tools, admin panels, dashboards & B2B apps with unmatched flexibility.

A frontend Framework for building data-driven applications running on top of REST/GraphQL APIs, using TypeScript, React and Material Design

Redefined chart library built with React and D3

React Flow | Svelte Flow - Powerful open source libraries for building node-based UIs with React (https://reactflow.dev) or Svelte (https://svelteflow.dev). Ready out-of-the-box and infinitely cust…

Payload is the open-source, fullstack Next.js framework, giving you instant backend superpowers. Get a full TypeScript backend and admin panel instantly. Use Payload as a headless CMS or for buildi…

📚 The definitive guide to TypeScript and possibly the best TypeScript book 📖. Free and Open Source 🌹

🐯 visx | visualization components

React components to build charts and dashboards

Organize world's knowledge, explore connections and curate learning paths

Visualize Your Ideas With Code