More details here:
Together with new PicketLink 2.7.0.Final release, we would like to announce that PicketLink andKeycloak projects will be merging their efforts. Code base of both will get unified and new features will be developed in a single place.
As part of this merge all key features of PicketLink will get included into Keycloak. Combining strengths of both projects and providing their communities a single polished and unified security solution. Joining both efforts should enable faster progress on new features which will be beneficial for all users and developers leveraging those solutions.
Full blog post here:
http://blog.keycloak.org/2015/03/picketlink-and-keycloak-projects-are.html
http://www.dzone.com/links/picketlink_and_keycloak_projects_are_merging.html
FAQ with more detailed questions and anwsers: http://picketlink.org/keycloak-merge-faq/