Blender - Blender is the open source, cross platform suite of tools for 3D creation.
Microsoft 3D Builder - View, capture, personalize, and print 3D models.
MatterControl - MatterControl is a free, open source app that lets you organize and manage your 3D prints.
Infurnia Architecture Design - Infurnia is a powerful, multi-featured cloud-native Architecture solution that you can use to introduce BIM in your Designs, partner up with others using functions, and take care of the data in an effective way.
Onshape - Onshape is the first full-cloud 3D CAD system. It runs in a web browser and on any mobile device.
Slic3r - STL-to-GCODE translator for RepRap printers Here comes Slic3r! Its features are: - speed