This document provides an overview and agenda for a presentation about breaking free from proprietary software and embracing open source. The presentation covers the business and legal considerations for open sourcing existing software projects, including ownership models, licensing strategies, and governance approaches. It also addresses how to structure R&D, sales, and support organizations to be successful with open source and how to build and invest in developer and user communities. The goal is to help companies chart a course to transition existing proprietary software to open source models and practices.