[Zalastax]

Euclidean rythms are well supported in the Tidal Cycles family of live programming environments. Here's a demo that you can play with online: https://strudel.tidalcycles.org?fTGy0eTiAUox

Which I took from its examples in the tutorial: https://strudel.tidalcycles.org/tutorial/

Tidal Cycles can be used to generate sound on your computer but it can also sequence MIDI hardware.