Magic Another Game Engine
Skript is a Bukkit plugin which allows server admins
A Minecraft mod designed to improve frame rates
Vulkan renderer mod for Minecraft
Java/JavaFX/Kotlin Game Library (Engine)
A Fabric mod designed to improve the performance of Minecraft
Delphi Java - VRCalc++ OOSL (Script) and + (Binary Exec Distro)
Arianne is an engine to develop multiplayer online games like Stendhal
Europa Universalis 4 save game editor
X3D is the open-standard format for 3D graphics scenes on the Web.
Full featured MUD server with all the trimmings.
A simple cross-platform game engine for creating old-school 2D games
Fast-paced side-scrolling space shooter
Machine graph audio engine for computer games
Android apps.
Chess program
JPHP - an implementation of PHP on Java VM
8-bit Graphical API for Java
Android OpenGL Game Engine