ifttt - IFTTT puts the internet to work for you. Create simple connections between the products you use every day.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
Zapier - Connect the apps you use everyday to automate your work and be more productive. 1000+ apps and easy integrations - get started in minutes.
FreeCAD - An open-source parametric 3D modeler
n8n.io - Free and open fair-code licensed node based Workflow Automation Tool. Easily automate tasks across different services.
MATLAB - A high-level language and interactive environment for numerical computation, visualization, and programming