PSDates provides you all the tools you need when working with dates and times in PowerShell. It contains function to help you find specific date formats, get certain dates based on other dates (first/last day of the month or year, patch Tuesday, etc). I also has functions for working with timezones, unix time, WMI time, crontabs.

Module to manage WMI Filter

This PowerShell module contains functions for managing WMI Namespaces, Classes and Instances.

A collection of utilities to help automate administration tasks on a local host.

Provides cmdlets to search for and discover PowerShell commands

CimPSDrive is a SHiPS based PowerShell provider to simplify navigation and discovery of CIM hierarchy

Module for automating routine SCCM client tasks