4Easysoft AVI to 3GP Converter
one of best video converters to convert AVI to 3GP
4Videosoft 3GP Video Converter
Convert all the popular video to 3GP, 3G2, and convert audio or extract audio.
3herosoft 3GP Video Converter
convert avi, mpeg, wmv, mov, dv, vob, m4a, asf to 3gp, 3g2, mpeg4, mp3, wav.