A cross-platform ANSI-BBS terminal designed to connect to remote BBSs via telnet, rlogin, or SSH. Supports ANSI music and the IBM charset when possible. Will run from a console, under X11 using XLib, or using SDL.
Paul Thomas's Performance Tuned SSH, aka PTssh. A cross-platform, high-performance, multi-threaded, thread-safe library implementing the SSH2 protocol and SFTP version 3.