A 3270 terminal emulator for connecting to IBM mainframes.
Name: x3270
Homepage: http://x3270.bgp.nu/
Why: I couldn't find any other IBM 3270 terminal emulators in the Solus repositories.
Open Source: Yes. Under a standard BSD license.
Tarball: http://x3270.bgp.nu/download/03.06/suite3270-3.6ga6-src.tgz