Dimmo

Several general purpose cmdlets and functions.

Enable-PSRemotingThroughWmi can enable PS Remoting on a remote host when only WMI connectivity is provided.
Enable-RDPThroughWmi can enable Remote Desktop on a remote host when only WMI connectivity is provided.

Get-DhcpMostRecentLease Shows most recent leases from the Microsoft DHCP Server.
Get-DuplicateFiles is a function that scans for duplicate files based on exact contents.
Get-EventLogInterestingEvents Displays popular events from the eventlog. For example: unexpected shutdown, failed logon, account locked out.
Get-FolderSpaceReport displays a rudimentary space report on subfolders.
Get-MessageOfTheDay displays a random message, mostly PowerShell-related.  ;)
Get-ServiceMemoryUsage displays memory usage by service.
Get-Ticker retrieves a ticker from the stock market from Alpha Vantage.

Invoke-RestMethodDemo demonstrates REST with several public URLs.
Invoke-Speak converts the specified string to audio.

Measure-HashSpeed Measures the hash speed of several algorithms on a specified file.

Send-Tweet sends a Tweet through the Twitter API.
Send-WakeOnLan sends a magic packet to the specified MAC address on this subnet to wake up the host.
Start-MOCLab starts required VMs for a particular lab from a MOC training (Microsoft Official Curriculum).

Also contains several monitoring functions:
MultiPing sends a ping to one or more specified hosts to verify connectivity. It will display colored output and by default repeats.
NetworkMonitor pings the entire subnet and logs any hosts responding or stopped responding.
ProcessMonitor monitors for start and stop events in the process listing.
ServiceMonitor monitors for new or changed services.
EventLogMonitor writes events to the screen as they occur.
FolderMonitor scans for changes in one or more folders. Perfect for SCCM Distribution Points.
Get-AzureStackDeploymentStatus