Flock is a social Web browser, open source, cross platform and based on Mozilla technologies. Currently, the browser implements support for del.icio.us and Flickr. Users can also install alternative hosted bookmarks or photo sharing services. In the search box and the blog manager, Flock offer users a number of choices and the ability to install other services using open standards. Expect the same, over time, for hosted bookmarks, photo-sharing and other services Flock integrates. Flock is based on the open source Mozilla code base.