content: Good thing I'm on Linux then?  Avidemux http://fixounet.free.fr/avidemux KDENLiVE https://kdenlive.org/ Mencoder https://en.wikipedia.org/wiki/MEncoder VLC www.videolan.org/vlc/  sure, it's multi-platform but looks like if you use it on a Mac you need to repent and delete the entire operating system Dozens more (seriously, at least at least a dozen more)