There are a couple of these kinds of devices you might not have tuned into yet, namely: Axoloti: http://www.axoloti.com/ http://www.axoloti.com/ (There are g

There are a couple of these kinds of devices you might not have tuned into yet, namely: Axoloti: http://www.axoloti.com/ http://www.axoloti.com/ (There are great cases/knobs/button boxes for this, for example check this thread out for the mad directions things can take: https://www.muffwiggler.com/forum/viewtopic.php?t=158092 https://www.muffwiggler.com/forum/viewtopic.php?t=158092) Organelle: https://www.critterandguitari.com/organelle https://www.critterandguitari.com/organelle Another very cute, very programmable portable digital synth .. And then there are things like this, which I had the pleasure of playing recently at superbooth: Sonicware ELZ1: https://www.sonicware.jp/elz-1-1 https://www.sonicware.jp/elz-1-1 So, yeah .. lots of little portable, digital and analog synths in the OP-1/-Z style format.