A complete 3-D game development suite written in Java
A Minecraft mod designed to improve frame rates
An unofficial rules engine for the world's greatest card game
Vulkan renderer mod for Minecraft
Containerized automation engine for programmable CI/CD workflows
Java/JavaFX/Kotlin Game Library (Engine)
Fully async, multithreaded, predictive, open source, 3.01 reach
Magic Another Game Engine
Skript is a Bukkit plugin which allows server admins
Agent-ready RPA suite with visual workflow automation tools engine
Conductor is an event driven agentic workflow engine for AI agents
Apache Lucene open-source search software
Statistical machine intelligence and learning engine
Extremely fast enterprise server framework, can be used in RPC
Hardware-accelerated video transcoding using Android MediaCodec APIs
Stream Processing and Complex Event Processing Engine
Stream processing framework with powerful stream
Cooperative multiplayer graphical RPG and adventure game
Distributed pub-sub messaging system
SonarSource Static Analyzer for Java Code Quality and Security
Arianne is an engine to develop multiplayer online games like Stendhal
Europa Universalis 4 save game editor
Euler Yet another proof Engine
A powerful, cross platform, SQL database system
Full featured MUD server with all the trimmings.