Admin CSS MU
Add custom CSS to style the WordPress Admin. Works with Multisites.
Plugin Tag: mu plugin
BEA – Fix Loco Translate
Improve Loco Translate's plugin behaviour.
Disable Plugins
Manage which plugins load on what page with simple regular expression pattern matches similar to…
Mu Manager – Manage mu-plugins like standard plugins
It lets you disable, enable, and delete mu-plugins as you do with the standard plugins.