Rabbit Hole of Free Add-ons

[Tarby]

Check out Polyblocker by Daniel Boxer.

GitHub - danielboxer/polyblocker: Enhanced add mesh menu, cap tool, and quick mirror...

Addendum: Here it is on BA

PolyBlocker - Enhanced add mesh menu for quick blockouts

PolyBlocker allows you to easily add mesh primitives using a pie menu. Just select some geometry, and you can add a mesh with the correct location, rotation and scale. [PolyBlocker] Get it for free here!