MegaMekLab is a Mek creator program. Currently it can create Meks, vehicles, battlearmor, and conventional infantry. It can also print PDF record sheets for almost all Battletech units. Created units can also be exported to formatted text or html for posting online.
PCGen is a free open source RPG character generator (d20 systems). All datafiles are ASCII so they can be modified by users for their own campaigns. Please join us at http://groups.yahoo.com/group/pcgen/.
Support email: help@pcgen.org
Q3Log is a Q3a stats generator. It is written entirely in Java (Java 2, 1.4 or greater is required). It produces HTML stats files showing full information of frags on the server.
It is fully customisable with no knowledge of Java required.