I'm using kdenlive mostly. If I wanted to automate it, I'd use ffmpeg with its filters for it, it's not super easy to get into, but it's very rewarding if you'

I'm using kdenlive mostly. If I wanted to automate it, I'd use ffmpeg with its filters for it, it's not super easy to get into, but it's very rewarding if you're going to do a lot of similarish videos.