Discover how to foster collaboration and innovation within your organization by breaking down silos. Learn from the open source development model to create greater leverage and reuse across your company. Explore the history and characteristics of open source, inner source principles, and elements of collaborative development. Gain insights into implementing collaborative practices, including air cover, vision setting, architecture planning, and governance. Understand the benefits of cross-team collaboration, such as elevated software development practices and increased trust. Examine real-world examples from Comcast's open source and inner source initiatives. Delve into practical aspects like pull requests, pair programming, and working across teams. Address management challenges, including incentivizing teams, handling developer departures, and defining role responsibilities. Uncover the importance of transparency and the evolving role of architects in fostering collaboration.