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

Visual Studio Code

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

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

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.

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…

Open source API development ecosystem - https://hoppscotch.io (open-source alternative to Postman, Insomnia)

🚀 Strapi is the leading open-source headless CMS. It’s 100% JavaScript/TypeScript, fully customizable, and developer-first.

A terminal for a more modern age

Easy to maintain open source documentation websites.

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

The repository for high quality TypeScript type definitions.

🐻 Bear necessities for state management in React

High performance self-hosted photo and video management solution.

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

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

Your backend, minus the hassle.

A terminal built on web technologies

Collection of TypeScript type challenges with online judge

🤯 Lobe Chat - an open-source, modern-design AI chat framework. Supports Multi AI Providers( OpenAI / Claude 3 / Gemini / Ollama / Azure / DeepSeek), Knowledge Base (file upload / knowledge manageme…

There can be more than Notion and Miro. AFFiNE(pronounced [ə‘fain]) is a next-gen knowledge base that brings planning, sorting and creating all together. Privacy first, open-source, customizable an…

🐉 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.

Spacedrive is an open source cross-platform file explorer, powered by a virtual distributed filesystem written in Rust.