I'm not sure about OS X but most Linuxes have netcat installed. There's also Ope... | Hacker News

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userbinator on June 15, 2015 | parent | context | favorite | on: Ask HN: I have ssh, they have ssh, how can we chat...

I'm not sure about OS X but most Linuxes have netcat installed.

There's also OpenSSL s_client/s_server for an encrypted connection, although you need to setup some certificates first.

wrayjustin on June 15, 2015 [–]

Or if you're okay with less encryption-strength, `cryptcat`.

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