Process Hacker
Process Hacker is a feature-packed tool for manipulating processes and services on your computer.
Some key features are:
A simple and customizable tree view with highlighting showing you the processes running on your computer.
Detailed performance graphs.
A complete list of services and full control over them (start, stop, pause, resume and delete).
A list of network connections.
Comprehensive information for all processes.
Full control over all processes.
Find hidden processes and terminate them.
Easy DLL injection and unloading.