After a little search on Curseforge and WoW Interface i've found some usable Addons.
If you are missing an addon in this list? Please write a pm and i will add it to the list.
Panels / Bars
Panels / Bars with more or less fine granular configuration options.
Thats are Addons to display broker as single moveable buttons on the UI. Mostly with docking functionality between the single buttons.
- LibDBIcon - A library to add single broker of an addon as button to the minimap (only usefull for developer).