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.

Virtual whiteboard for sketching hand-drawn like diagrams

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

Next generation frontend tooling. It's fast!

Build like a team of hundreds_

The open-source notification Inbox infrastructure. E-mail, SMS, Push and Slack Integrations.

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

Flash OS images to SD cards & USB drives, safely and easily.

React Hooks for Data Fetching

The open source frontend for GitBook doc sites

Jitsi Meet - Secure, Simple and Scalable Video Conferences that you use as a standalone app or embed in your web application.

A local-first personal finance app

Crawl a site to generate knowledge files to create your own custom GPT from a URL

Place to share & store what you use

🔒 A compiled checklist of 300+ tips for protecting digital security and privacy in 2024

GraphiQL & the GraphQL LSP Reference Ecosystem for building browser & IDE tools.

Generate massive amounts of fake data in the browser and node.js

Integrate Git version control with automatic commit-and-sync and other advanced features in Obsidian.md

Resolve production issues, fast. An open source observability platform unifying session replays, logs, metrics, traces and errors powered by Clickhouse and OpenTelemetry.

🛰️ Represent any GraphQL API as an interactive graph

Transpile curl commands into Python, JavaScript and 27 other languages

Self-hosted collection of powerful web-based tools for everyday tasks. No ads, no tracking, just fast, accessible utilities right from your browser!

A simple and composable way to validate data in JavaScript (and TypeScript).

QA via natural language AI tests

✨⚡️ A feature-rich GraphQL Client for all platforms.

Hosting read-only SQLite databases on static file hosters like Github Pages