Stream Processing and Complex Event Processing Engine
A complete 3-D game development suite written in Java
Magic Another Game Engine
Skript is a Bukkit plugin which allows server admins
iText for Java represents the next level of SDKs for developers
Java/JavaFX/Kotlin Game Library (Engine)
Apache Lucene open-source search software
SonarSource Static Analyzer for Java Code Quality and Security
Core business process engine of Alibaba Halo platform
Europa Universalis 4 save game editor
Toolkit for working with and mapping geospatial data
Arianne is an engine to develop multiplayer online games like Stendhal
Unicode-XML-TEI text/corpus analysis platform
Full featured MUD server with all the trimmings.
Delphi : VRCalc++ OOSL & + (Paged List, TextEditor, VRAstroVision ...)
Delphi Java - VRCalc++ OOSL (Script) and + (Binary Exec Distro)
A simple cross-platform game engine for creating old-school 2D games
Fast-paced side-scrolling space shooter
Android apps.
Ultra-fast matching engine written in Java based on LMAX Disruptor
Ultra-fast matching engine written in Java based on LMAX Disruptor
JPHP - an implementation of PHP on Java VM
8-bit Graphical API for Java