One cool Stream Deck utility that might be of interest:
Button Creator is a Mac app for quickly making button icons for Stream Deck. It lets you quickly combine a background color, SF Symbols, emoji, text, etc. It’s pretty limited, but is super fast and convenient. You can obviously use it to make icons for all sorts of things in addition to Stream Deck. Here’s a profile I made using mostly Button Creator for processing my inbox in 2Do.
