freeCodeCamp.org's open-source codebase and curriculum. Learn math, programming, and computer science for free.

Virtual whiteboard for sketching hand-drawn like diagrams

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

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

Apache Superset is a Data Visualization and Data Exploration Platform

A terminal for a more modern age

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

Easy to maintain open source documentation websites.

Realtime application framework (Node.JS server)

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

A markdown parser and compiler. Built for speed.

Making Docker and Kubernetes management easy.

Backstage is an open framework for building developer portals

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

JHipster is a development platform to quickly generate, develop, & deploy modern web applications & microservice architectures.

Modern and easy to use SQL client for MySQL, Postgres, SQLite, SQL Server, and more. Linux, MacOS, and Windows.

Run compilers interactively from your web browser and interact with the assembly

📓 Lint commit messages

Streaming music player that finds free music for you

Accelerating new GitHub Actions workflows

Browser-based frontend to gdb (gnu debugger). Add breakpoints, view the stack, visualize data structures, and more in C, C++, Go, Rust, and Fortran. Run gdbgui from the terminal and a new tab will …

Toolkit with accessible components, styles, and examples for your next web app

Visually explore, understand, and present your data.

A Kubernetes web UI that is fully-featured, user-friendly and extensible

Turn any OpenAPI2/3 and Postman Collection file into an API server with mocking, transformations and validations.

🕸️ GraphQL Federation Framework for any API services such as REST, OpenAPI, Swagger, SOAP, gRPC and more...

OpenTelemetry JavaScript Client

Community Driven Samples for TypeScript