OpenOffice.org Portable is a full-featured office suite that's compatible with Microsoft Office, Word Perfect, Lotus and other office applications. It's easy-to-use and feature-rich, performing
nearly all of the functions you'd expect in an office suite, but at no cost.
File size: 65.1MB (download), 171MB (installed)
System Requirements: Windows 95*/98/Me/2000/XP/Vista, WINE under Linux/UNIX
* Windows 95 support requires a patch