ServerSuit - ServerSuit is a browser based program that enables remote Linux administration, monitoring, website hosting, and server setup automation.
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.
RedGate SQL Monitor - SQL Monitor helps you and your team find issues – before they become problems
Nagios - Complete monitoring and alerting for servers, switches, applications, and services
Egnyte - Enterprise File Sharing
Arcentry - Create interactive cloud diagrams. Arcentry helps you visualize the full picture of your infrastucture - in realtime and at any scale.