This forum is devoted to showing off and discussing open source and free software we use and/or think is worth while. If you're looking for software, post your need here and we'll make a suggestion.
If your a home user with a limited budget you might find OpenOffice.org to work nicely. You can open/save Word, Excel and Power Point applications. You can download the program for free from http://www.openoffice.org (about 50 mb).