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Stack Overflow

Question-and-answer site for programmers, made by Jeff Atwood and Joel Spolsky in 2008; owned by Prosus.

At a glance

Also on this page: Key facts · Links · Sources · Related pages

Why it matters

Key facts

Launched
15 September 20081
Founders
Jeff Atwood and Joel Spolsky1
Owner
Prosus, which bought it on 2 June 2021 for $1.8 billion1
Size
Over 29 million registered users, 24 million questions and 36 million answers (June 2025)1
Work
Fully remote, hiring in the US, Canada, the UK and Germany2

Who owns it

Owned by Prosus since 2 Jun 2021.

Parent company

  • Prosus

    acquired for $1.8 billion · since 2 Jun 2021 1

People

Founded by

  • Jeff Atwood
  • Joel Spolsky

Sources

  1. Wikipedia: Stack Overflow (opens en.wikipedia.org)
  2. Stack Overflow – Company (opens stackoverflow.co)

Last checked against its sources today

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How recent

The line under a date fills as time passes: empty when new, then one equal share each for a day, a week, a month and a year. For episodes and other items it is full at 2 years; for "last checked", at a year. A striped line means the date is known only to the month or year.