1)   Apex Free 3GP Video Converter 6.67
Apex Free 3GP Video Converter is designed to meet all your needs of convert any video to cell phone 3GP and it's free.

 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.

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Apex Free 3GP Video Converter is designed to meet all your needs of convert any video to cell phone and it's free.

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This multifunctional Video to Mobile Phone Converter software provides many powerful and useful video editing functions: video cropping, movie trimming, and video merge. You can also set encoding parameters (including solution, bit rate, frame rate,

 5)   Pop Mobile 3GP Converter Free Download 1.2.5
Pop Mobile 3GP Converter easy converts all popular video formats such as DVD, VCD, SVCD, AVI, DivX/Xvid, MPG, WMV, RM, MOV, MPEG (and many more) videos into Mobile Phone 3GP format.