ztest is a java1.5+ classlibrary for writing structural junit tests. Specify, enforce and reuse an architecture for java based software. Works on java bytecode, no sourcecode changes. Export diagrams to graphml and layout them with yEd.
Beanfix is a testing framework based on JUnit 1.5Java Beans and Ant. Writing tests focuses on composing fixtures instead of coding test class methods. Test writers are encouraged to write abstract tests first, allowing specialization by others later.
YABI93 is an Interpreter for the esoteric programming language Befunge, version "Befunge93". It is written in Java1.5 and uses Swing for its graphical interface. YABI supports a multilanguage GUI.
http://jmsloadtester.marcel-sauer.de JMS Load Tester is a small command line based Java (>1.5) application to load test JMS brokers like SonicMQ, ActiveMQ, OpenJMS and others. It can be configured with a property file.