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

💯 Curated coding interview preparation materials for busy software engineers

Deliver web apps with confidence 🚀

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.

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

Next generation frontend tooling. It's fast!

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

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 Airtable Alternative

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

Build like a team of hundreds_

Collection of TypeScript type challenges with online judge

Delightful JavaScript Testing.

A terminal built on web technologies

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

✨ Innovative and open-source visualization application that transforms various data formats, such as JSON, YAML, XML, CSV and more, into interactive graphs.

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

Blazing fast, instant realtime GraphQL APIs on all your data with fine grained access control, also trigger webhooks on database events.

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!

Backstage is an open framework for building developer portals

A powerful JavaScript library for interacting with the Discord API

Umami is a simple, fast, privacy-focused alternative to Google Analytics.

IDE-style autocomplete for your existing terminal & shell

Redefined chart library built with React and D3

HomeKit support for the impatient.

📘 OpenAPI/Swagger-generated API Reference Documentation

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

✍ It has never been so easy to document your things!

Create business apps and automate workflows in minutes. Supports PostgreSQL, MySQL, MariaDB, MSSQL, MongoDB, Rest API, Docker, K8s, and more 🚀 No code / Low code platform..