c3270 is a curses-based 3270 terminal emulator. It features:

- The full TN3270E protocol
- SSL/TLS (via the OpenSSL library) for encrypted sessions
- APL2 characters
- Non-English character sets, including Russian, Turkish, Hebrew and
  DBCS Chinese and Japanese
- IND$FILE file transfer
- NVT mode (emulating a color xterm)
- Printer session integration
- Extensive debugging and scripting facilities