PaceMkr has an organization in GitHub where you can browse projects it currently develops and support.
Azure DevOps - Command line
Written in NodeJs, this command line tool can extract your data into a .csv file ready to be consumed in an Excel spreadsheet for your own analysis.
Azure DevOps - Extension
This very early project is aimed providing a dashboard of your Kanban metrics for your Scrum teams.
This page explains how to generate your Kanban metrics for your Scrum teams.