any good free rar password recovery programs

i backed up some stuff a while ago and now i need it
i found out i put a password on it
i dont know why i did

so, any good free rar password recovery programs?

i tryed google but i found ones that only do 3 digets and i know my word was longer than 3 digets

[weblord]

i dont know if these are included on the ones you found;
http://www.rarpasswordcracker.com/
http://www.elcomsoft.com/prs.html

i already tryed the first one
the second one i tryed and had a 3 carracter limit also