To add to this: Reaper may not be open source, but it feels like it is. There is no other DAW that is more extendable and configurable. If you can imagine it, a

To add to this: Reaper may not be open source, but it feels like it is. There is no other DAW that is more extendable and configurable. If you can imagine it, and can script it, you can do it. There is a huge community of free add-ons for it. But in full disclosure, while I own it, I do most of my production work in Bitwig.