Well, my week is in chaos, so, posting this today, although this should go to #LibreMonday:
You like the power of #ffmpeg and all it's options, but would LOOOVE to have a proper GUI with preset system that would allow to modify all settings for ffmpeg within the GUI? Or you just hate going looking into a man page every time you need to encode something every once in a while?
Meet "traGtor", versatile, complex, but still logicaly layed-out GUI for ffmpeg: