37Signals LLC

37signals, LLC develops Web-based software products for small businesses and individuals. The company’s products include Basecamp, a project management and collaboration product that provides the communication between people working together on a project; and Highrise, an online contact manager and simple CRM product that track communication and conversations with leads, employees, clients, colleagues, and vendors. Its products also include Backpack, a Web-based information organizer and calendar with to-do lists, notes, files, and images; and Campfire, a Web-based group chat tool. 37signals, LLC was founded in 1999 and is based in Chicago, Illinois.