Quickshooter

Just to add to this - he went to Facebook and wrote a post about this that can be translated as: "Fucking work hard or get the fuck out"

This is beautiful, thank you

Snaps for services, debs for user apps

There is a powerful (and somewhat overlooked) tool https://www.sokrates.dev/ written by an Ebay engineer Željko Obrenović.

Allows to look at the code-base (and the history of the codebase) from different perspective - complexity, volume, developers contributions, etc.