[gkop]

Except Gerrit's not really all that great either! It just looks good when everything else has been dumbed down to parity with GitHub.

This start up seems like they are trying to sort of package and iterate on the value and power of Gerrit: https://www.gitcolony.com

[technion]

I literally came across this just now:

https://github.com/google/git-appraise

Although it may well be a decent Gerrit alternative - it still talks about interfacing with Jenkins.