Some (old) stuff I’ve done
Wotconnection is a very simple Java API for retrieving World of Tanks clan battle schedules from the official clan wars server.
MultiSelectFieldPlugin is a trac plugin enabling custom ticket fields with multiple simultaneusly selectable predefined values.
Jarrut is a debugging tool for Java ME MIDlets. The main reason for Jarrut is the lack of support for proper stack traces in JME exceptions, especially when running a MIDlet on a real device. Almost nobody has to deal with the restrictions of Java ME anymore, but if you do, Jarrut is a life saver.