Telegram Bot API for Java
3D game engine/framework in C, with Luajit and Python bindings now
Extremely fast enterprise server framework, can be used in RPC
Native Android app for Habitica
the java game and entertainment runtime
Arianne is an engine to develop multiplayer online games like Stendhal
VR Adrix Java Works - Paged Lists - Action-Entity Model ...
3D donut. Example of frojasg1.com libraries usage
Sceneform Maintained is an ARCore Android SDK with Google Filament
A Rust framework for building Minecraft servers
A complete framework for Godot to create beautiful and complex AI
A continuation of the popular Artemis ECS framework
Build Cross-platform Applications
3D .NET engine for Windows, Linux, Mac
A panographic toolkit compliant with open source standards
Geospatial Web 3D Globe Project(To consider S.Korea market)