Viz4D - Viz4D helps you create top-performing web-based 3D viewer that works great on mobile and VR. It is tailored for real-time Archviz walkthrough, 3D product configurator and presentation.
Slic3r - STL-to-GCODE translator for RepRap printers Here comes Slic3r! Its features are: - speed
Sketchfab - Sketchfab is an industrial design software tool is useful for ideation and for beginners in the industrial design field.
Repetier - Software for controlling RepRap style 3D-printer like Mendel, Darwin or Prusa mendel.
Sketchfab VR - Explore countless user creations from Sketchfab in virtual reality.
MatterControl - MatterControl is a free, open source app that lets you organize and manage your 3D prints.