1)   Xilisoft FLV Converter 7.3.20.1121
It can convert all popular video formats such as DivX, XviD, WMV, 3GP, AVI, MP4, M4V, ASF, RM, RMVB, MOV, VOB and MPEG to FLV video format and also convert all popular audio formats such as MP2, MP3, M4A, AC3, AAC, WMA, OGG to FLV audio format.

 2)   2008 Most Popular FLV Converter Tools 3.1.53.0711b
It can convert all popular video formats such as DivX, XviD, WMV, 3GP, AVI, MP4, M4V, ASF, RM, RMVB, MOV, VOB and MPEG to FLV video format and also convert all popular audio formats such as MP2, MP3, M4A, AC3, AAC, WMA, OGG to FLV audio format.