Blender
OpenSCAD
Fusion 360 (Free for students/makers, Cloud-based)
TinkerCad
OnShape
Orchard
Inkscape
DraftSight Dassault Systèmes removed the free option
LibreCAD
DaVinci Resolve
Fusion 8 Studio
Lightworks BETA
Audacity
Ardour
Easel by Inventables
RDWorks 8.01.26