uckermit: μC‑Kermit (μCKermit, micro‑C‑Kermit, microkermit) is a minimalistic Kermit implementation for small, embedded, or resource constrained systems (CP/M, PDP‑11, etc.)
ecu: Extended Call Utility (ECU) is a research and engineering asynchronous serial and telnet communications program, originally for SCO UNIX V.3.2/386 and XENIX V/286 systems.
uckermit: μC‑Kermit (μCKermit, micro‑C‑Kermit, microkermit) is a minimalistic Kermit implementation for small, embedded, or resource constrained systems (CP/M, PDP‑11, etc.)