Solidworks and Inventor receive a lot of attention, and so we tend to forget the surprising number of other MCAD programs ...
Portable application. Just copy the software anywhere. Supports multiple program instances. You can open and edit various files at once this way. Friendly file editor. Hexadecimal Viewer (read-only).
While prying my old cubase project files, I encountered a graduation cubase project I made when studying home music production. I could load it in Cubase SX2, but for some reason, several VST's ...