1)   OJOsoft MKV Converter 1.5.3.0218
It can convert into all popular video formats including MPG, MPEG, VOB, WMV, MP4, MOV,3GP/3G2, TS, H.264, ASF. In the mean time it supports converting MKV to audio formats like MP3, WMA, M4A, WAV, OGG etc.