Any Server Status
by AZ Web Designs
This is a module that displays the server status of the 5 most common server services, and also load times, connection speeds, uptime, ...
Servers
JMP PHP Settings
by JoomHelper
For some reason, you can't change PHP's properties (parameters). This plugin can help you.
Of course, it can only change PHP properties ...
SolusVM VPS Manager
by Alin Marcu
With SolusVM VPS Manager you can control and view real-time statistics about your VPS servers in Joomla Backend.