Mocha Telnet for Vista makes it possible to connect to a host with the Telnet or SSH-2 protocol and emulate a VT220 terminal.
This software is not reviewed yet.
Mocha W32 TN3270 makes it possible to connect to a host via TCP/IP with the 3270 protocol and emulate an IBM 3278 terminal. Low cost : Single User license 25 USD or 250 USD for a Company License.
Mocha W32 TN5250 makes it possible to connect to an IBM host (AS/400) via TCP/IP with the TN5250 protocol and emulate a 5250 Display Station.
Mocha TN3270 for Vista provides 3270 emulation for IBM Mainframe Access