37signals (formerly Basecamp before reverting to its original name) is an American web software company based in Chicago, Illinois. The firm was co‑founded in 1999 by Jason Fried, Carlos Segura, and Ernest Kim as a web design company.
Since mid‑2004, the company's focus has shifted from web design to web application development. Its first commercial application was Basecamp, followed by Backpack, Campfire, and Highrise.
Email
jason [at] basecamp.com
Category
Web Design & Hosting
Listed
Nov 4, 2026
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