With PodTrans, you can freely import or export iPod music, movies to/from computer without compromising the existing content. This free iPod transfer fully supports all models of iPod nano, iPod shuffle and iPod classic.
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Aiseesoft iPod + iPhone PC Suite is packed with iPod Transfer and iPhone Ringtone Maker, which mean that you can import video, audio files or folders from PC to iPod, backup files from iPod to PC and make your own iPhone ringtone.
Downloads: 57118 - Shareware - Download Now

Aiseesoft iTouch Converter for Mac, easy to use Mac iTouch Converter, owns the solution to convert video to iTouch (iPod touch, iPod touch 2) compatible video formats on Mac OS.
Downloads: 72178 - Shareware - Download Now

Convert various video formats to the iPod video format.
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4Media Ringtone Maker can create ringtones in MP3, WAV, M4R, AMR, M4A or OGG format from almost all video and audio formats. Also allows you to convert audio segment as well as add fade-in and fade-out effects to ringtones.
Downloads: 70185 - Shareware - Download Now