The "Open Semantic Collaboration Architecture Foundation" (OSCAF) is an industry led group bringing together organisations and individuals interested in ensuring interoperability between next generation desktops and collaborative environments. It provides a discussion and exchange forum as well as a meeting place for different stakeholders to explore joint interests and define and execute appropriate actions, aiming to ensure the continued evolution and standardisation of an open vendor- and platform-neutral, interoperable collaborative environment architecture. To fulfill its mission the OSCA Foundation needs to enable coordinated activities among many vendors, developers and researchers. Only a vendor neutral, independent and committed organisation with the interoperability of collaborative environments and desktops as its core mission is able to provide the necessary credibility to bring together different parties to enable further coordinated activities, ensuring that the collaborative environments become interoperable, flourish and grow. Standardised interfaces and ontologies are required to ensure interoperability of collaborative environments. A core task of the Foundation is to identify necessary standardisation activities and to initiate those in appropriate standardisation organisations or within the foundation. The Foundation maintains a consistent reference architecture for collaborative environments and is also maintaining a community for putting the standards into practice.