1)   OJOsoft MKV Converter 2.2.0
It can convert into all popular video formats including MPG, MPEG, VOB, WMV, MP4, MOV,3GP/3G2, TS, H.264. In the mean time it supports converting MKV to MP3 audio.
MKV Converter, MKV to DVD, MKV to AVI, Convert MKV, MKV file Converter, Convert MKV format, Convert MKV File, MKV to MP4, MKV to MPG, MKV to WMV,

 2)   Weqsoft MKV Converter 1.0
MKV Converter is an easy-to-use tool to convert different video formats like MPEG, AVI, WMV, ASF, DAT, VCD to MKV file. MKV Converter will work after the extra mkv codec is installed.
mkv converter, convert to mkv, AVI to mkv, MPEG to mkv, ASF to mkv, MPG to mkv, VCD to mkv, DAT to mkv, M1V to mkv, MPE to mkv,