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.

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.

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

Next generation frontend tooling. It's fast!

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

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 mo…

Easy to maintain open source documentation websites.

Declarative routing for React

The repository for high quality TypeScript type definitions.

🔥 🔥 🔥 Open Source Airtable Alternative

🐻 Bear necessities for state management in React

Free and source-available fair-code licensed workflow automation tool. Easily automate tasks across different services.

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

Your backend, minus the hassle.

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

Collection of TypeScript type challenges with online judge

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

📋 React Hooks for form state management and validation (Web + React Native)

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

⚡️ Simple, Modular & Accessible UI Components for your React Applications

🐉 Lerna is a fast, modern build system for managing and publishing multiple JavaScript/TypeScript packages from the same repository.

SDK for creating whiteboards and canvas experiences on the web.

Open-Source Notification Platform. Embeddable Notification Center, E-mail, Push and Slack Integrations.

⏳ Modern JavaScript date utility library ⌛️

Platform to build admin panels, internal tools, and dashboards. Integrates with 25+ databases and any API.