Linux distributions if they were students
Slackware: Just sits there quietly and tries to blend in, but wears a plaid 3-piece-suit and has a grey beard.
Knew someone who dressed in posh trousers, a waistcoat, and a posh shirt and smoked a pipe (outside school, of course).
Reminds me of a classmate who used to wear a trenchcoat, and had an old school telephone receiver in his pocket, attached to his smartphone via spiral cable.