Noatikl deems itself a MIDI generator, and from what I’ve seen that’s what it is. Plus it seems have most extensive features yet. How many MIDI generators do you let in your bathroom?
Here’s the product page from Intermorphic, and here’s a video of it in action, running through Absynth and Nord Modular. Warning: video is So Very Cool, you will find yourself needing moar Noatikl.