-------------------------------------------- Polyglot package for Umbraco by Dimitrios Kourkoulis -------------------------------------------- http://our.umbraco.org/projects/backoffice-extensions/polyglot Tip for developers ------------------------ You're going to have some missing references because I do not redistribute the Umbraco libraries the project is referring to. To solve that, create a folder called UmbracoBinaries inside the cloned solution folder and copy the dlls from an Umbraco instance there.