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

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

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

Virtual whiteboard for sketching hand-drawn like diagrams

A utility-first CSS framework for rapid UI development.

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

A cross-platform ChatGPT/Gemini UI (Web / PWA / Linux / Win / MacOS). 一键拥有你自己的跨平台 ChatGPT/Gemini 应用。

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

VS Code in the browser

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

Apache Superset is a Data Visualization and Data Exploration Platform

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.

High performance self-hosted photo and video management solution.

Dify is an open-source LLM app development platform. Dify's intuitive interface combines AI workflow, RAG pipeline, agent capabilities, model management, observability features and more, letting yo…

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.

A terminal built on web technologies

🤯 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…

The communications platform that puts data protection first.

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

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

开放式跨端跨框架解决方案，支持使用 React/Vue/Nerv 等框架来开发微信/京东/百度/支付宝/字节跳动/ QQ 小程序/H5/React Native 等应用。 https://taro.zone/

SDK for creating whiteboards and canvas experiences on the web.

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