If you're gonna write one ;)

http://www.wotsit.org/
http://www.wotsit.org/download.asp?f=wordstar -- the specification
http://www.wordstar.org/?
http://myfileformats.com/ -- lame clone of wotsit.org

update: I'm glad to see I'm not the only one who remembers wotsit.org (jay Joost). Too bad it took me 20 minutes to complete writing submit this ;)(i was distracted by myfileformats)

MJD says you can't just make shit up and expect the computer to know what you mean, retardo! I run a Win32 PPM repository for perl 5.6x+5.8x. I take requests. ** The Third rule of perl club is a statement of fact: pod is sexy.