Microsoft 3D Builder - View, capture, personalize, and print 3D models.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
VARKON - Varkon is a very powerful parametric 2D/3D CAD, modeling and application development tool for...
Padlet - Visual boards for organizing anything.
Vectorworks - Vectorworks 2D / 3D CAD and BIM software for Mac or Windows provides one flexible solution for your entire design process. Sketch, model, and present with the ultimate software from start to finish.
Cura - Cura aims to be a end solution for personal 3D printing with RepRap based machines.