16 Personalities
This personality test is not for entertainment value. In evaluating communication styles, both do and don'ts, this test provides usable data for daily interactions. A deeper read into these test results provides real world reasons to the actions and reactions we find in our organizations and teams.
https://www.16personalities.com/
Adizes Lifecycle
"You are not alone…" One of the most valuable things to understand as a leader or as an entrepreneur. Businesses and organizations go through natural and predictable cycles. Once you can map the current state of things you can plan for change. The Adizes Life Cycle gives you that map point so you can chart your way out of trouble or into healthy growth.
https://adizes.com/lifecycle/