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.

Fair-code workflow automation platform with native AI capabilities. Combine visual building with custom code, self-host or cloud, 400+ integrations.

Share, discover, and collect prompts from the community. Free and open source — self-host for your organization with complete privacy.

Virtual whiteboard for sketching hand-drawn like diagrams

A set of beautifully-designed, accessible components and a code distribution platform. Works with your favorite frameworks. Open Source. Open Code.

The Postgres development platform. Supabase gives you a dedicated Postgres database to build your web, mobile, and AI applications.

A utility-first CSS framework for rapid UI development.

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

An open-source AI agent that brings the power of Gemini directly into your terminal.

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

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

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

Next generation frontend tooling. It's fast!

Model Context Protocol Servers

#1 PDF Application on GitHub that lets you edit PDFs on any device anywhere

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…

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

Apache Superset is a Data Visualization and Data Exploration Platform

Apache ECharts is a powerful, interactive charting and data visualization library for browser

Easy to maintain open source documentation websites.

A JS library for predictable global state management

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…

Autonomous coding agent right in your IDE, capable of creating/editing files, executing commands, using the browser, and more with your permission every step of the way.

🐻 Bear necessities for state management in React

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

Fast, easy and reliable testing for anything that runs in a browser.

An open-source, self-hosted note-taking service. Your thoughts, your data, your control — no tracking, no ads, no subscription fees.

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

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