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.
Qodem is a a terminal emulator that resembles the BBS-era Qmodem. Includes phonebook, scrollback, capture, X/Y/Zmodem, Kermit, ANSI (+ music) / Avatar / VT102 / Linux emulation, Unicode, and keyboard macros. Connects over serial, ssh, telnet, rlogin.
BBMan is a SSH/SFTP/BBS/telnet Client. Free, opensource and multi-platform support (Windows/Linux/Mac). You can get some screenshots in http://bbman.sf.net/
GNU Pipo BBS version 2. A full featured, traditionally styled BBS with support for TELNET, SSH, and HTTP connections, doors, customization, and lots of ANSI art. Runs on Windows, Linux, Mac OS X, and other operating systems. GPL.