There are indeed other options in the market, Bill, that combine and put in use some of the treats you would like of a VCS. Read here "Distributed, multisite and centralized":

https://www.plasticscm.com/features

An important feature (for me) is seamless integration with GIT. This system looks like a separate version control system with an option to sync with GIT as an afterthought.

It is indeed a VCS of its own. We think superior and more complete that Git and we make a living from it. These are some of the reasons why:

https://www.plasticscm.com/git

Bur sure, if you's like to, you can work with Git repos without any trouble (Plastic SCM has the same idiosyncrasy Git has):

https://www.plasticscm.com/gitsync