These kinds of tool help you to draw the application diagrams (DFD), to mark the trust boundaries, and to label the threat attributes. The tools also include a threat library for users to select a threat from the library. It's an ideal tool to document the threat modeling analysis report. Normally, the application architecture and system diagram DFD were presented followed by the threat identification.
If your team is geographically distributed across several regions, or the threat modeling requires offline feedback with several roles across different time zones, using of the tool to produce the threat modeling analysis report is highly recommended.
The Microsoft Threat Modeling tool, OWASP Threat Dragon, and Mozilla ...
