Performance Profiling Tools for WPF
http://windowsclient.net/wpf/perf/wpf-perf-tool.aspx
Mole debugging tool
http://www.codeproject.com/KB/macros/MoleForVisualStudioEdit.aspx
Snoop tool
http://blois.us/Snoop/
CLR Profile tool
http://www.microsoft.com/downloads/details.aspx?familyid=86ce6052-d7f4-4aeb-9b7a-94635beebdda&displaylang=en
WinDebug tool
http://www.microsoft.com/whdc/devtools/debugging/default.mspx
