Numerology is a highly regarded sequencer for OS X, Jim Coker has now created a hardware Eurorack version of this plus an output expander to make the it the heart of a live performance system. with CV and MIDI outputs, it can drive all of your gear with 8 parts, and scene modes, combined with powerful cyclical and probability processing, you can make long evolving patters.
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Newly released plugin that runs alongside the Montage M hardware
The streaming perspective
Honey I shrunk the 'king Korg
Still tiny and DIY but impressive though