There are several services that allow SSHing via AJAX. That is, instead of using firewall-piercing techniques that many other solutions suggest (which can get you fired), these send everything over 100% standard HTTP (or HTTPS).

Unlike firewall-piercing methods, these are incapable of TCP port forwarding, and thus, are considered by corporate security people to be far more safe in comparison.

Services

Software

Software that would let you run your own service.