I was toying around with with remaking the old 3D test video from years ago. Unfortunately adding the 3D metadata is a pain, but I practiced some tricks I'm showing off in this video!
Don't worry, I managed to get the metadata in there, but it wouldn't show up on a phone. The 3D video is coming up next week!
There are free alternatives to (almost) every program you encounter. You just have to find them.