From FrameFlow: FrameFlow is application performance and system monitoring software that is powerful, easy-to-use, and expandable. It monitors your systems for CPU, bandwidth, drive space and memory on a 24x7 basis. It uses SNMP to monitor your switches and routers. It monitors your web sites and makes sure they are up and running. If any system fails a check then it alerts you right away by e-mail so you and your staff can fix the issue before it becomes a big problem.
read more +