I've just made an initial release of libtelnet[1], a close binding of the C libtelnet[2]. It allows you to write telnet clients/servers in Haskell, if for some bizarre reason that's something you still want to do in 2019. [1]: https://hackage.haskell.org/package/libtelnet-0.1.0.0 [2]: https://github.com/seanmiddleditch/libtelnet Best, -- Jack