1)   Softstunt 3GP Mobile Converter 3.0
Softstunt 3GP Mobile Converter enables you to convert your video to 3GP and 3G2 formats. You can also convert your video to AVI, MPEG, MOV, MP4, WMV and MP3. Additional support for conversion to iPod,iPhone and Zune formats.

 2)   3GP MOBILE Converter by PSM 2007.010914
3GP Mobile Converter enables you to convert your video, CD and DVD to 3GP and 3G2 formats. You can also convert your video to AVI, MPEG, MOV, MP4, RM, WMV, MP3 and other formats. Easy to use graphic interface makes 3GP Mobile Converter easy to use.

 3)   Easy Video to iPod/MP4/PSP/3GP Converter 1.3.0
Easy Video to iPod/MP4/PSP/3GP Converter converts video files for optimized video playback on portable MP4 Player, mobile phone, iPod, PSP, PDA, ARCHOS, Plam etc.