Wetty - Terminal over HTTP and HTTPS.
ServerSuit - ServerSuit is a browser based program that enables remote Linux administration, monitoring, website hosting, and server setup automation.
Bastillion - Bastillion is an open-source web-based SSH console that centrally manages administrative access to systems.
AppZero - AppZero is a monitoring and migration tool that allows users to keep track of different applications and servers in both simple and complex IT environments.
SSHy - SSHy is a HTML5 SSHv2 web client implementing E2E encryption that runs well on modern web browsers.
CULA - A webmonitoring solution for beginners and pros.