avisynth
Couldn't even figure out how this program worked
Virtualdub
Worked great at first. Really thought I found a winner. But a clip near the end of my video got stuck and I have no idea how to fix this.
Zarx264gui
I tried to put my video through Zarx and got this;

When I pressed "encode" I got this;

Then, when I did anything else, it just crashed.
I've looked up information on this, and nothing has helped. I asked on another board and no one answered. Can anyone here help me?