Contrary to popular belief, it's pronounced "GITH-əb".
@woozle my wife proposed the pronunciation “gə-THOOB” and it has stuck in our household.

@undercarbonated I believe that is officially accepted as a regional dialect pronounciation.

Alternate spelling: giþub (for those who prefer thorny code-issues)

#lowQualityFacts

@woozle Ah. We are Canadian. That’s probably why