Scratch - Scratch is the programming language & online community where young people create stories, games, & animations.
GitHub Codespaces - GItHub Codespaces is a hosted remote coding environment by GitHub based on Visual Studio Codespaces integrated directly for GitHub.
Cyberix3D - Free online 3D Game Maker. Make your own 3D games online!
CloudShell - Cloud Shell is a free admin machine with browser-based command-line access for managing your infrastructure and applications on Google Cloud Platform.
Castle Game Engine - An open-source 3D/2D game engine for ObjectPascal.
StackHive - Design, develop or publish websites right from your browser