PowerShell scripts. Most of these scripts should have usable documentation at the head of the script, so look there for info on each one.
A gruesome hack providing an approximation of the functionality available in the *nix top(1) command.
Uses Windows Performance Counters to sample process stats, sorting them in various ways (CPU, Working Set, Page Faults/sec, IO Bytes/sec), and also showing overall system stats (Idle CPU %, Available Megabytes, Page Faults/sec, Physical Disk Queue Length, IP Datagrams/sec).
(dumb change to generate a change notification for followers)