AVIDemux can cut video pretty easily. It’s not just for AVI files, it happily works with MKV, MP4 and many other formats.

I have a very nice scale that is accurate to 0.1 g and updates very rapidly, because I’m a coffee nerd, and need the precision to accurately dose my espresso. But one of the jokes in the community is that the only two groups of people that need scales like these are coffee people and drug dealers…