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

🌈 React for interactive command-line apps

⚡ Empowering JavaScript with native platform APIs. ✨ Best of all worlds (TypeScript, Swift, Objective C, Kotlin, Java, Dart). Use what you love ❤️ Angular, Capacitor, Ionic, React, Solid, Svelte, V…

Etherpad: A modern really-real-time collaborative document editor.

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

ActivityPub-federated video streaming platform using P2P directly in your web browser

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 …

Online editor to create and manipulate SVG paths

Glisp is a Lisp-based design tool that combines generative approaches with traditional design methods, empowering artists to discover new forms of expression.

⚡️generate beautiful and accurate SVG renders of printed circuit boards

Library for interactive videos in React

The coding environment for non-engineers

A language that makes building webapps as easy as finite-state machines