I'm not really interested in the .DS_store hack, only in the dual panel. I would happily donate 20EUR if you release the source. Coming from Linux, I really can

I'm not really interested in the .DS_store hack, only in the dual panel. I would happily donate 20EUR if you release the source. Coming from Linux, I really cannot stand Mac shareware that gets abandoned and cannot be fixed to work on updated systems. And also, since it goes deep in the Finder, I would only trust it if I could check the code.