MMM-ModulesGroupsRotation is a MagicMirror² module that groups modules and toggles their visibility over time. I needed something similar to MMM-pages but I encountered few bugs and decided to create simple version for what I need,

https://github.com/mezderman/MMM-ModulesGroupsRotation

@plainbroke The repo is public. Maybe you are trying to clone the https link and not the ssh. Do you still have an issue?