1)   ManageEngine OpManager Free Edition 5.5
ManageEngine OpManager is a comprehensive, easy to use Network, Systems and Applications monitoring software that offers integrated fault and performance management functionality
Network Monitoring, Network Management, Fault Management, Performance Monitoring, Manage Apps, DB, WAN, LAN, Switches, Routers,

 2)   eXtended Task Manager 1.95
The Warecase eXtended Task Manager (XTM) is an extended windows task manager and performance monitoring tool designed for simplifying the environment of the software developer.
windows task manager, task manager, process manager, process viewer, task explorer, task monitor, registry monitor, registry analyzer, dll viewer, performance monitoring,