Our group is participating in the organization of the II Physics Meeting in Amazonia, to take place at Universidade Federal do Pará, Belém, Brazil, from 24-28 November 2014. This is a joint meeting of researchers in various topics including gravitational physics and condensed matter. See a beautiful movie about the meeting here.
The University of Aveiro provides a platform to host projects with repositories for version control at code.ua.pt, for members of the University with an email address. Besides providing space for a repository where the files of the project are under version control and can be viewed, edited, shared by several members; it has a very convenient online interface and allows to set up wiki pages for the users to edit and share.