In this presentation you will hear about: * The main ability of this platform * Why it is a good solution for (educational) video sites * You will see a demo video front end (WLE) for MediaMosa * Introducion REST (Representational State Transfer) interface as a communication channel between the video frontend and backend * How to: upload video, transcode video, create (multiple) still images * How you can add and search metadatas (title, description, Dublin Core, Qualified Dublin Core) with CQL * How you can increase the performance of MediaMosa using multiple servers * Future developments