Topten Software is the developer of Cantabile - the highly regarded music software designed specifically for musicians who perform live.
Cantabile was reviewed by Computer Music Magazine who gave it 9/10 and described it as "Bloat-free. Awesome for live work. Excellent morph and randomising tools. Masses of MIDI control.".
More information and a free trial is available from the Cantabile website - http://cantabilesoftware.com