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

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

Visual Studio Code

Virtual whiteboard for sketching hand-drawn like diagrams

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

An enterprise-class UI design language and React UI library

JavaScript API for Chrome and Firefox

A utility-first CSS framework for rapid UI development.

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

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

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

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.

The Full-Stack Vue Framework.

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

Daytona is a Secure and Elastic Infrastructure for Running AI-Generated Code

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

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

Quill is a modern WYSIWYG editor built for compatibility and extensibility

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

very good whiteboard infinite canvas SDK

A terminal built on web technologies

Presentation Slides for Developers

✨ Innovative and open-source visualization application that transforms various data formats, such as JSON, YAML, XML, CSV and more, into interactive graphs.

🧡 Everything is RSSible

A fast, simple & powerful blog framework, powered by Node.js.

Visual primitives for the component age. Use the best bits of ES6 and CSS to style your apps without stress 💅

🐉 Vue Component Framework

Chakra UI is a component system for building SaaS products with speed ⚡️