I came across most of these courses while looking at comment activity. It’s by no means an exhaustive list, so feel free to add other courses.
https://p2pu.org/en/courses/875/connected-learning-course/
https://p2pu.org/en/courses/2119/reprogramming-for-makey-makey/
https://p2pu.org/es/courses/305/integración-sensorial/
https://p2pu.org/en/courses/140/intro-to-openness-in-education/
https://p2pu.org/en/courses/1219/shooting-video-the-bare-essentials/