Gentoo Packages

media-gfx/freecad: Build FreeCAD with a Qt based GUI. If built without setting this USE flag, FreeCAD can be used in a headless mode, for server-side instances. The Python modules are available, without their GUI parts though, if this is unset.
media-libs/libcamera: Build QCam extra tool

Warning: USE flag 'gui' used by dev-games/godot but has no description in metadata.xml, use.local.desc or use.desc
Warning: USE flag 'gui' used by mail-mta/proton-mail-bridge but has no description in metadata.xml, use.local.desc or use.desc

Package	Local Description (use.local.desc)	Metadata Description (metadata.xml)
dev-games/godot	-	-
mail-mta/proton-mail-bridge	-	-
media-gfx/freecad	-	Build FreeCAD with a Qt based GUI. If built without setting this USE flag, FreeCAD can be used in a headless mode, for server-side instances. The Python modules are available, without their GUI parts though, if this is unset.
media-libs/libcamera	-	Build QCam extra tool

USE Flag: gui