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GitHub vs Stack Overflow

GitHub started first, in 2008, the same year as Stack Overflow.

GitHub 18y 160d since 2008 · Standing started first Stack Overflow 18y 2d since 2008 · Wavering

Why GitHub lasted

  • It is where the code is. Resume, package registry, CI, identity, and the social graph of software.
  • Microsoft bought it and, against every instinct of 2018 Twitter, did not kill it.

Why Stack Overflow lasted

  • A decade of ranked answers is still the corpus every model trains on and every search result cites.
  • Reputation as a game actually produced a library.

Questions

Which is older, GitHub or Stack Overflow?

GitHub started first, in 2008, the same year as Stack Overflow.

How long has GitHub been running?

GitHub has been up 18 years 160 days, since 2008-04-10.

How long has Stack Overflow been running?

Stack Overflow has been up 18 years 2 days, since 2008-09-15.

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Dates are founding dates from the written entries. Play which is older, or see the oldest developer-tools still running.