http://technet.microsoft.com/en-us/sysinternals/default
A collection or suite download is available, but these are the apps I saw with a Oct. 2012 date
Debugview
http://technet.microsoft.com/en-us/sysinternals/bb896647
Process Explorer
http://technet.microsoft.com/en-us/sysinternals/bb896653
PsPing
http://technet.microsoft.com/en-us/sysinternals/jj729731
Sigcheck
http://technet.microsoft.com/en-us/sysinternals/bb897441