Rec Room - Rec Room is an Action, Role-playing, First-person Shooter, Sports, and Multiplayer video game developed and published by Against Gravity.

Scratch - Scratch is the programming language & online community where young people create stories, games, & animations.

Kodeclik - Kodeclik is an online coding academy for Kids and Teens.

Cyberix3D - Free online 3D Game Maker. Make your own 3D games online!

Kit55 - The Dev Server GUI for Static Websites. Easy to use, super fast desktop app that will compile your html templates for you.

Castle Game Engine - An open-source 3D/2D game engine for ObjectPascal.