A Java Virtual Machine for OpenJDK
Telegram Bot API for Java
Runtime code generation for the Java virtual machine
A J2ME emulator for Android
An enterprise-grade Java-based, Apache 2.0 licensed Ethereum client
Android OpenGL 2.0 application to view 3D models
SoapUI is a free and open source cross-platform functional testing
Free implementation of Play Services
Multi-platform transparent client-side encryption for your cloud files
Reactive Extensions for the JVM
Java libraries for writing microservices
Rakudo – Raku on MoarVM, JVM, and JS
A library for working with Bitcoin
Apache CloudStack is an opensource Infrastructure as a Service (IaaS)
Virtual Satellite
AtlantidaFork is a fork of Atlantida
java tools
Jainja is a JVM (Java Virtual Machine) written in Java
Dundalk Institute of Technology Virtual Bridge Design Competition
A java 3d simple virtual celestial globe. Source code available
Full featured MUD server with all the trimmings.