Jason is a fully-fledged interpreter for an extended version of AgentSpeak, a BDI agent-oriented logic programming language, and is implemented in Java. Using JADE a multi-agent system can be distributed over a network effortlessly.
This project was moved to https://jason-lang.github.io
Xtraitj is a programming language for pure trait-based programming. It is completely compatible and interoperable with the JAVA platform without reducing the flexibility
of traits. Xtraitj is integrated in Eclipse (editor with all the standard tooling) and JDT. It is implemented in Xtext, relying also on Xbase.