If the OP is more on the python side of things, there's Hyde, too. I played with it briefly a few months ago and, well, didn't suck at all (didn't use it enough

If the OP is more on the python side of things, there's Hyde, too. I played with it briefly a few months ago and, well, didn't suck at all (didn't use it enough to say it's the best ever, though)