Here is one of the best portable application distributors in the open source/freeware world. This guys cover just about everything from Office, Media, Graphics, and Utilities. This applications are some of the most have programs.
Update: As time has past, PortableApps.com has grown and is growing with new applications and new features to suet the needs of every day user (s). New portable applications are being added on an almost daily basis to the beta testing forum. Also a lot new portable applications have bi added in the recent months and there is more to come I can a sure you of that.
