WhoBuilt

37signals

Software company behind Basecamp and HEY.

Also known as Basecamp

1 Mention13 Facts13 Sources11 verified 37signals.com

Key facts

Founded by
Ernest Kim, Co-founder
Carlos Segura, Co-founder
Jason Fried, Co-founder and CEO
People
David Heinemeier Hansson, Partner and Chief Technology Officer
Built
Fizzy
HEY
Highrise
Campfire
Rails
Basecamp

Timeline 13

Dated events, newest first. Open the sources under any item.

How we verify
Release1Funding1Open source1Founded3People1Built6
20251 event
  1. 2025Built
    37signals built Fizzy
    Verified1 source· Web· archived
20201 event
  1. Jun 2020Built
    37signals built HEY
    Verified1 source· Web· archived
20081 event
  1. Oct 21, 2008Open source
    Open sourced WysiHat, an early WYSIWYG editor framework.
    “ Introducing WysiHat: An eventually better open source WYSIWYG editor”
    Unverified1 source· Hacker News· archived
20072 events
February
  1. Feb 23, 2007Release
    Released Getting Real as a free book.
    “Getting Real: Free Book by 37signals”
    Unverified1 source· Hacker News· archived
  1. 2007Built
    37signals built Highrise
    Verified1 source· Web· archived
20062 events
  1. 2006Funding
    Minority investment led by Bezos Expeditions (Jeff Bezos)
    Verified1 source· Web· archived
  2. 2006Built
    37signals built Campfire
    Verified1 source· Web· archived
20041 event
  1. 2004Built
    37signals built Rails
    Verified1 source· Web· archived
See all 13 events on the full timeline

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