A MUD client for Android, iOS, Linux, Mac OS X and Windows
Tintin++ scirpts for MUD (mmorpg)
Visual components ready for ASCII rendering
Various multi-platforms projects coded in FreePascal/Lazarus or Qt C++
Enhanced ser2net with multi-connections and HTTP/WebSocket supported
A simple telnet (and possibly SSH) server
STALLioN is a cross-platform C/C++ I/O library for CLI applications
Project on hold. Try http://www.iterm2.com/ instead.