1)   Convexsoft Video Zune Converter 2.4
This is a powerful conversion tool that lets you convert various video formats such as DivX, XviD, AVI, WMV, MPG, MPEG, MP4, 3GP, 3GP2, RM, RMVB, MOV, SVCD, VCD, VOB and ASF formats to Microsoft Zune video (Zune-compatible format) with a few clicks.