A free and open-source tool for extracting passwords and other credentials from Windows memory. Mimikatz can also perform credential theft attacks such as pass-the-hash and pass-the-ticket.
MISP Threat Sharing is an open-source threat intelligence platform. The project develops utilities and documentation for more effective threat intelligence, by sharing indicators of compromise.
Microsoft Threat Intelligence Security Tools. MSTICPy is a set of Python tools intended to be used for security investigations and hunting. Many of the tools originated as code Jupyter notebooks written to solve a problem as part of a security investigation.