Velocify Lead Manager - Lead Scoring
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
Clari - Clari is a predictive analytics platform for sales people.
FreeCAD - An open-source parametric 3D modeler
SalesWings - Lead website tracking, predictive lead scoring and lead intelligence as-a-service!
MATLAB - A high-level language and interactive environment for numerical computation, visualization, and programming