Got nothin’ all that unique to offer... I use zip ties, Velcro straps, and Gaff tape, pretty much like everybody else. There was a time when I had a lot of wires going from my controller/computer case to the patch panel on the back of my rack, so I made a kind of wiring harness that consolidated all the wires. For the enclosure, I used a piece of plastic tubing, kinda like this...



... I don’t use that controller or case anymore, so no more wiring harness is required, and I hide the wires behind my rack by using what I call a Floating Facade...



... It attaches to the rack of my Large System, or to the 30”x30” table I use for my Small System.

The other thing that really helps with cable management is using cables that are the right length, rather than one-size-fits-all. I carry several lengths of XLR and Power cables, and use the shortest possible cables between my booth and my speakers so as not to have too much cable coiled behind my speakers.