RAMMap
Microsoft Sysinternals
Advanced physical memory usage analysis utility that shows how Windows allocates physical memory....
Autoruns
Microsoft Sysinternals
Comprehensive knowledge of auto-starting locations of any startup monitor with registry keys....
VMMap
Microsoft Sysinternals
Process virtual and physical memory analysis utility with breakdown of committed virtual memory types....
Process Monitor
Microsoft Sysinternals
Advanced monitoring tool for Windows that shows real-time file system, Registry and process activity....
TCPView
Microsoft Sysinternals
Windows program that will show you detailed listings of all TCP and UDP endpoints on your system....
Process Explorer
Microsoft Sysinternals
Process Explorer displays detailed information about running Windows processes, their open handles and loaded DLLs,...