A Terminal Connection Manager (no GUI)
A simple telnet (and possibly SSH) server
Successor to PuTTY with advanced features similar to iterm2
Remote control your linux console encrypted trough Jabber chat service
FireEgl's PuTTY -- FuTTY!
Web-based multi-terminal SSH management tool
Portable versions of Guacamole (html5 VNC/RDP) and GateOne (html5 SSH)
Automate Telnet and SSH for Cisco devices.
A Java based version of the popular PuTTY for Mac and Linux.