TerraTime - TerraTime provides an amazing, interactive, real-time virtual Earth.
ServerSuit - ServerSuit is a browser based program that enables remote Linux administration, monitoring, website hosting, and server setup automation.
Desktop Earth - You should run it as admin.
RedGate SQL Monitor - SQL Monitor helps you and your team find issues – before they become problems
Xplanet - Xplanet is free software, distributed according to the terms of the GNU General Public License.
Nagios - Complete monitoring and alerting for servers, switches, applications, and services