slowmoVideo.granjow.net is my bachelor thesis. It slows down videos smoothly, can even reverse them. And, it is Open Source.
I am currently looking for testers and package maintainers. Please drop a comment below if you build packages for your distribution! I already have an Ubuntu packager.
Software used in this video: blender for the kinetic typography, slomwoVideo for the stopped wall clock, and kdenlive for the editing.