A free PHP based server monitoring script. The script is designed focussing on minimum memory usage and an attractive user interface. Server++ uses Google Chart API to provide server information in an easy to understand and an enhanced way.
Pscope is a process analyzer that delves deep into every proccess (PID) on a Linux system and provides details such as paging, memory, and CPU utilization. Used with a tool such as sar, pscope helps identify what pids correlate to system usage.