This is a free, client-side tool for evaluation of BPMN business process model quality and correctness. This tool helps to check BPMN diagrams and find modeling mistakes.
Download the latest release from this page https://github.com/freebpmnquality/fbpmnq-desktop/releases/
Extract the downloaded archive and open analytics/index.html file in the web browser (it is recommended to use Google Chrome, Mozilla Firefox, or Microsoft Edge).