Zero Brush - blendersensei.com/zero-brush Texture painting, sculpting, and baking addon for Blender.
CADMAPPER - Instant CAD files for any location on earth
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
DWGFREE - DWGFREE is an online platform that comes with a comprehensive collection of CAD blocks that can be downloaded without the need for registration.
Quixel Mixer - Mixer is a PBR creation suite that uses brushes and non-destructive layering to generate all types of maps.
CAD-Earth - CAD-Earth is resourceful software that allows architecture to perform slope zone analysis and facilitates a wide range of alluring features.