I have never found a use for graph db but I am still a happy user of Badger. One of the best KVDB written in Go. I think plenty of folks moved to it from Bolt,

I have never found a use for graph db but I am still a happy user of Badger. One of the best KVDB written in Go. I think plenty of folks moved to it from Bolt, due to speed. But nowadays I think maybe Pebble is gaining traction.