Doltgres offers all the Git-style log, diff, branch, and merge functionality of Dolt on your Postgres database schema and data

Gogs is a painless self-hosted Git service

In my pursuit to understand Git, it's been helpful for me to understand it from the bottom up -- rather than look at it only in terms of its high-level commands. And since Git is so beautifully simple when viewed this way, I thought others might be interested to read what I've found, and perhaps avoid the pain I went through finding it.