TradeMail's Linux Solution provides the ability to store mail on the server; share public directories and folders; provide global addressing, contact management functions and mailing lists.
Toga II is a chess program, derivative of Fruit created by Thomas Gaksch. It has more chess knowledge and perhaps a better search algorithm. It is based on Fruit 2.1 and is free.
mkdvd is a script which can convert AVI, DivX, MPEG, and other video file to DVD VOB files and optionally burn them onto a DVD+/-R(W). It can put multiple videos on one disc, and is also able to create a simple menu to select between the different videos.