Most of the sequencers I know about I have listed at http://www.synthzone.com/midiseq.htm

Here are some free Windows MIDI sequencers you can try.
http://www.anvilstudio.com/
http://www.frieve.com/english/musicstd/download.html
http://sourceforge.net/projects/jazzplusplus/


[This message has been edited by Nigel (edited 04-15-2008).]