• Markdown

CAD / 3D design

• Fusion 360 ( as with all Autodesk software free for students for 3 years )
• libreCAD
• openSCAD
• QCAD ( suggested drawing tool for KiCad footprints + schematics )

PCB design

• Eagle ( free student+lecturer version )
• Fritzing
• KiCad

3D engines / 3D modelling

• Blender
• Cinema 4D ( free student+lecturer version )
• Maya
• 3dsMax
• Unity
• Unreal Engine