This post lists some pentesting tools for Credential Harvesting.
List of Tools for Credential Harvesting
Tools for Credential Harvesting featured on this post.
Mimikatz is software that performs leverage the Mimikatz exploit to extract passwords stored in memory on Microsoft Windows.
CrackMapExec is an open-source tool that leverages Mimikatz to enable adversaries to harvest credentials and move laterally through an Active Directory environment.