Native Gimp.app looks quite nice freed from X11. In a similar vein, I’ve been using Mac OpenOffice builds for the past few months without many issues.
Spent the last week or two getting deep into shake. I’ve used it off and on for a few years now but have never really pushed things too far. But in the past few days have gone deeper than ever before.
I see why people like the program: at its heart is shell scripting. So if you want to make a change to a bunch of shots, a regex find/replace will do it in about a second. If you have everything set up correctly, which is the tricky part. The reverse corollary is that you can screw up about fifty shots in a second. I only mention that as a theoretical concern.