UserGuiding - User onboarding made easy, for less. Create product walkthroughs in a couple of clicks, without breaking the bank.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
Usetiful - Fight user churn with great user onboarding. Interactive product tours and smart tips significantly improve your user retention.
FreeCAD - An open-source parametric 3D modeler
Userlane - Digital adoption platform with interactive guidance for software applications allowing anyone to understand and master any software from the get-go.
MATLAB - A high-level language and interactive environment for numerical computation, visualization, and programming