MIDICool 是一个MIDI音乐编辑器~ 而且还可以自己定义~ 很好的软件-MIDICool is a MIDI music editor ~ but also to their own definition of ~ a very good software

Canorus是一款跨平台的乐谱编辑器。它可以自己定制乐曲的长度，声部，可以用MIDI来进行乐谱回放，并且支持MIDI, MusicXML, ABC Music, MusiXTeX和LilyPond等格式。-Canorus is a free cross-platform music score editor. It supports an unlimited number and length of staffs, polyphony, a MIDI playback of notes, ch

MIDIPLEX - MIDI event editor written in Delphi 2010. The main goal is to provide exclusive editing features that other sequencers don t, for example low level MIDI event modification, support for old and some exotic music formats.