The AppHub project, funded by the European Union's Horizon 2020 program, aims to facilitate the dissemination of open source software by bridging SMEs and collaborative projects with the mainstream market. Key partners include Fraunhofer FOKUS, OW2, and UShareSoft, and the project emphasizes providing freedom for users to run, study, adapt, and improve software. The document outlines the AppHub's open interoperability framework and provides a roadmap for project implementation and community engagement.