I recommend ProTerm. It was one of the best terminal programs for the Mac, and in many was the Apple II- and was script-able. The only thing I ever needed it from that it couldn't support was RipTerm. To this day, I've never really found a usable Rip client for the Mac...
http://ftp.logitheque.telechargement.fr/p/ProTERM.newest.sea.bin
http://ftp.logitheque.telechargement.fr/p/ProTERM.newest.sea.bin