1)   Macvide 3GP Converter 1.6
Macvide 3gp Converter for Apple Mac is a perfect tool specially designed for Mac OS users. This converter enables to convert all popular video formats including: AVI, WMV, MOV, MPG, MP4, ASF, etc. to 3GPP (*.3gp) or 3GPP2 (*.3g2)

 2)   Moyea 3GP iPod Video Converter 1.0.0
Moyea 3GP iPod Video Converter contains 3GP Video Converter, iPod Video Converter and Mp3 Ripper, 3GP Video Converter can convert video to 3GP , and iPod Video Converter can convert video to MP4, Mp3 Ripper can rip audio and convert mp3.