Open Source modelling toolkit

Open Source modelling toolkit

https://www.archimatetool.com/

Archi

The Open Source modelling toolkit for creating ArchiMate models and sketches.
Used by Enterprise Architects everywhere.

The ArchiMate® modelling language is an open and independent Enterprise Architecture standard that supports
the description, analysis and visualisation of architecture within and across business domains. 
ArchiMate is one of the open standards hosted by The Open Group® and is fully aligned with TOGAF®. 
ArchiMate aids stakeholders in assessing the impact of design choices and changes.