AISynthesis
Doepfer
York Modular

all do inexpensive matrix mixers

I think it you want small go for the AISynthesis, if you want nice ergonomics go for the doepfer

"some of the best base-level info to remember can be found in Jim's sigfile" @Lugia

Utility modules are the dull polish that makes the shiny modules actually shine!!!

sound sources < sound modifiers < modulation sources < utilities