This document discusses the Symphony open source community. It provides statistics on the community including over 60 open source repositories, 300+ contributors, and 27 member organizations. It highlights several open source projects from Symphony including the Symphony 2.0 core libraries and encryption libraries. It also discusses the Plexus interoperability project which aims to establish an open framework for inter-company desktop interoperability. The document encourages participation in the community through contributions to projects, joining working groups, or becoming a foundation member.