37signals

We’re a privately-held Chicago-based company committed to building the best web-based software products possible with the least number of features necessary. Our products do less than the competition — intentionally. We’ve been in business since 1999 and love what we do.

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Campfire
Free
Campfire: Collaborative Messaging Tool for Teams
Webware
Basecamp 2 for iPad
Free
This app works with Basecamp 2 (released March 2012) and Basecamp Classic (released February 2004) accounts.
iOS
37signals Campfire
Free
This official Campfire app lets you use Campfire - the group chat tool from 37signals - right on your iPhone.NOTE: This app requires a 37signals...
iOS
Basecamp 3
Free
Running your business on email, texts, and meetings.
iOS
Basecamp 2 for iPhone
Free
Streamlined Project Management on Mobile
iOS
Highrise
Free
Streamline Your Business with Highrise
Webware
Writeboard
Free
Write, share, revise, and compare text online.
Webware