This program can convert rm, rmvb video to 3GP, MP4, MP3 formats.
Abcc DIVX AVI MP4 WMV iPod Converter can convert nearly all popular video.
All-in-one MP4 to iPod Converter.
It converts iPod video to AVI, FLV, MPEG, MP4, WMV, RM/RMVB, 3GP, VCD/SVCD/DVD.
Idealoy MP4 to iPod Video Converter is able to convert all kinds of MP4 files.