Joker was created by a team mate and I can't overstate just how useful it is; we do a lot of our DevOps work using it, it's a linter for our Clojure code, it's

Joker was created by a team mate and I can't overstate just how useful it is; we do a lot of our DevOps work using it, it's a linter for our Clojure code, it's just handy. It's optimized for startup time and its scope is limited; within that scope it is invaluable.