I can only recommend Cinelerra. It's much faster and more intuitive than any other thing I've found, everything is keyframeable (...) and some forks found their

I can only recommend Cinelerra. It's much faster and more intuitive than any other thing I've found, everything is keyframeable (...) and some forks found their way into common distros (my one: Fedora). The guy also did some video tuts in 2018 which are awesome!