warp : Secure and simple terminal sharing
warp lets you securely share your terminal with one simple command: warp open. When connected to your warp, clients...
Babun : Would you like to use a linux-like console on a Windows host without a lot of fuzz?
Mosh : Remote terminal application that allows roaming, supports intermittent connectivity, and provides intelligent local echo and line editing of user keys...
GateOne : Gate One is an HTML5-powered terminal emulator and SSH client