Manifold is a Java compiler plugin, features include Metaprogramming
An event-driven asynchronous network application framework
Reactive Extensions for the JVM
Versatile algorithmic random music generation software written in Java
Model-view-presenter and model-view-intent library for modern Android
Live Music Compositor learning base on TPG
Orkney Testframework
High performance JVM JSON library
Utility methods for composing functional lambda expressions
The adaptation of JFugue library for J2ME
An experimental programming language
S-Match is a semantic matching framework.
JetBrains Meta programming System
A Powerful Java Factory Framework
Requirement Modeling Tool