LITIENGINE
LITIENGINE is an open Java 2D engine with the utiLITI editor, covering entities, physics, animation, sound, maps, and assets.
Why use it
JVM teams gain code-driven gameplay plus visual map workflows for desktop distribution.
Where it fits
Find engines, frameworks, code libraries, version control, and production automation.
What to check
Its ecosystem and release scale are limited, while mobile, web, and consoles are not primary targets.