Icy Draw is a very good newschool ANSI editor, too. The developer is very skilled and he put together a great, feature rich tool in a short amount of time.

I'd love to steal some of the features from it. Icy Draw joins the many GUI ANSI editors, though (like Moebius and Pablodraw), and Durdraw tries to get away from that by operating using real escape codes and real terminals. We also seem to have a different philosophy on animation.