NTHashes.com
Active Directory password auditing API using over 600 million compromised passwords
Layer2Discovery
Command line tool written in C# to display CDP and LLPD packets received on an interface
InfrastructureValidation
PowerShell module which leverages Pester to assist in verifying network health following infrastructure changes
PSLANScan
A PowerShell module for fast Layer 2 host discovery, even when ICMP Echos are blocked
PSNetAddressing
A PowerShell module for representing network addresses
Datto RMM UI Enhancer
A Chrome Extension for Datto RMM that provides (legacy) UI improvements
2018 RMM Survey
Results from a survey taken in 2018 comparing all the major RMM platforms.