This document discusses open-source and no-cost tools for collaboration. It summarizes suites like Google Apps, Zimbra, and Atlassian which provide tools for email, document sharing, project management and more. It also covers chat options like Openfire, Skype and IRC, as well as telephony with Asterisk. The document concludes with how Four Kitchens uses tools like Atlassian, Zimbra, Openfire and Google Apps for internal and client collaboration, minimizing maintenance where possible.