Basecamp is a web based project management and collaboration service. A product of 37signals the system is controlled through a web based platform eliminating the need to install and manage software as well as the need to store data locally. The product can be licensed as an individual or for an entire company for ease of transition. The SaaS includes to-do lists, file sharing, calendars, real-time chatting, and time tracking abilities. Offered as either an introductory free service or a full service for a monthly fee.