Another cool grid-breaking language for Polyrhythms and euclidian and beyond sequences is Nestup. https://nestup.cutelab.nyc/

In addition to the website and github, It also has a great implementation as a Max for Live device and can drive Ableton. I’ve enjoyed it since it’s initial release.

An interesting interview with the creators from MusicHackspace is here: https://www.youtube.com/live/wZeadB56YFs