We have already posted some portable web browsers and now posting portable multimedia applications these all includes Audio/Video Editor, Player, Recorder, Converter, Downloader, CD/DVD ISO Creator and Burners You can save these software on your USB flash, CD, DVD, iPod etc…. and use on any other computer easily without instalation. Audio/Video Player Xion This is an audio player.

The rest is here:
Portable Multimedia Applications (Audio/Video Editor, Player, Recorder, Converter, Downloader, CD/DVD ISO Creator and Burners)