What Got Done - The simple, lightweight alternative to team status meetings.
DejaGnu - DejaGnu is a framework for testing other programs.
Catch - Catch is the easiest way to use ShowRSS on OS X. It'll take care of everything.
Expect - Expect is a tool for automating interactive applications such as telnet, ftp, passwd, fsck, rlogin...
Talllly - A team to-do list that keeps score.
Check - Check is a unit testing framework for C, which runs on environments such as GNU/Linux, GNU/Hurd, BSD, and Mac OSX.