Qws3270+ for Mayo Mainframe

QWS3270 PLUS: fast-loading, fast-operating, safe and reliable TN3270 emulation. Connect quickly and easily to your IBM mainframe host utilizing TCP/IP over LAN as well as dial-up connections.

It's elegant and easy-to-use graphical interface -- including configurable toolbars, user defined as well as built-in hot-spots, copy/paste/append capabilities, etc -- makes working on the host a pleasure.