CAD

Free CAD software for FRC students:

Solidworks: https://www.solidworks.com/product/students/free-solidworks-first-robotics-teams

Autodesk: https://ftc-docs.firstinspires.org/en/latest/cad_resources/autodesk/autodesk.html

PTC: https://ftc-docs.firstinspires.org/en/latest/cad_resources/ptc/ptc.html

OnShape (Google docs equivalent of CAD and used on Princeton Robotics): https://www.onshape.com/en/

OnShape Basic Tool Training: