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.

💯 Curated coding interview preparation materials for busy software engineers

Material UI: Comprehensive React component library that implements Google's Material Design. Free forever.

An enterprise-class UI design language and React UI library

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

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

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

Realtime application framework (Node.JS server)

Declarative routing for React

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

Scheduling infrastructure for absolutely everyone.

🛡️ ⚛️ A simple, scalable, and powerful architecture for building production ready React applications.

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

A one-of-a-kind resume builder that keeps your privacy in mind. Completely secure, customizable, portable, open-source and free forever. Try it out today!

A frontend Framework for single-page applications on top of REST/GraphQL APIs, using TypeScript, React and Material Design

Babylon.js is a powerful, beautiful, simple, and open game and rendering engine packed into a friendly JavaScript framework.

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

Open-source link attribution platform. Loved by modern marketing teams like Twilio, Perplexity, Vercel, and Huberman Labs.

An open source application built using the new router, server components and everything new in Next.js 13.

The fastest way to develop full-stack web apps with React & Node.js.

Streaming music player that finds free music for you

Taking voice conversations to the moon 🚀

tsParticles - Easily create highly customizable JavaScript particles effects, confetti explosions and fireworks animations and use them as animated backgrounds for your website. Ready to use compon…

An LLM playground you can run on your laptop

Papermark is the open-source DocSend alternative with built-in analytics and custom domains.

Effortlessly build beautiful command-line apps

A curated list of project tutorials for project-based learning.

Open Source Event Monitoring

Quickly deploy preview environments to the cloud!