Does anyone have any recommendations for software to cut clips down and paste all the clips together as one video? I have a lot of screen recordings from the past several years that i want to condense down. Some are extremally long and only have sections that are good.

If you're tech savvy and don't want to spend any money, there's always VirtualDub.

If you want to do propper editing, I use Premiere Pro. It's a bit daunting at first, but look up some tutorials and you'll figure it out pretty quickly.

Monthly sub is like $75, but you get the whole Adobe suite. If you dontwant to pay that they do have a 1 Day trial.

I do exactly what you are talking about with cam girl recording. If you are on mac just use quicktime. You can trim videos and save the individual parts. Then open the first one you saved and drag each of the other clips into that video. You then export the group of videos into one file. Not sure how you go about this on windows.

I use Shotcut for my videos. Works pretty well, and it's free.