So this is really useful for any odd jobs where you have to cut some large video (or audio) files into smaller segments - #LosslessCut is "The swiss army knife of lossless video/audio editing" (it's basically a very good GUI around #ffmpeg):

https://github.com/mifi/lossless-cut

GitHub - mifi/lossless-cut: The swiss army knife of lossless video/audio editing

The swiss army knife of lossless video/audio editing - mifi/lossless-cut

GitHub