37signals, founded in 1999, is a software company known for its web-based collaboration and project management tools. In 2014, the company rebranded as Basecamp to align with its flagship product, a popular project management and team collaboration platform. Basecamp offers features like to-do lists, file sharing, and messaging, catering to businesses of all sizes. With a focus on simplicity and usability, the Chicago-based company has built a reputation for creating efficient and user-friendly software solutions to enhance productivity and communication.