Apache Kafka - A distributed event streaming platform

Desktop/Android/HTML5/iOS Java game development framework

IntelliJ IDEA & IntelliJ Platform

Jitsi is an audio/video and chat communicator that supports protocols such as SIP, XMPP/Jabber, IRC and many other useful features.

Diablo II remade using Java and LibGDX

Dummy SMTP server with GUI for testing emails in applications easily.

Dungeon Keeper II remake

Native ARchive plugin for Maven

Dumbster - a simple fake SMTP server for unit testing

Template projects for creating Android live wallpapers with Unity/Android Studio/LibGDX.

JUnit Runner and Assertions to write SMTP Integration tests