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37signals offers a portfolio of unique Web-based tools, including tools for project collaboration and communication, for personal and business uses. The company’s Basecamp, Backpack, Campfire, WriteBoard and Ta-da List products are designed to provide users a more efficient and simplistic way to perform their tasks. More than 8 million users have tapped 37signals’ Basecamp suite to track more than 4 million projects, log 57 million hours of work, handle 46 million files of all sorts, and complete 43 million to-do lists.