The DbgKit debugger extension is a custom extension library for WinDbg developed by Andrey Bazhan, it produces the Process Explorer within WinDbg for running processes within that dump. It also displays a list of the entries within the SSDT.

The !help extension gives the following extensions supported by DbgKit. Please note that it only appears to work with a Kernel Memory Dump.

Code:
2: kd> !help dbgkit

DbgKit 1.1.15088.1
Copyright  2015 Andrey Bazhan
http://www.andreybazhan.com

help - Displays this list
st   - Displays system service table
ps   - Displays information about processes
bp   - Enables, disables and removes breakpoints
Andrey Bazhan | Crash Dump Analysis and Debugging

I've still playing with debugger extension, so I'll provide a full post soon.