Added to the Modules Project maintained by the foundation, the following projects have been contributed by community members. Feel free to have a look at the source code; it's a great way to learn!
+Spaces subversion repository#Link: Main Repository
Contains: Twitter module, facebook authentication module, and several polling and poster related modules.
Alexios Akrimpai Google warehouse Explorer#Link: github repo
Contais: a module that allows to pull models inworld directly from the google 3D warehouse
Josmas Flores github account#Link: Main Repository
Contains: an empty module to start up projects, a REST sample module talking to an external application, a sample HUD module, and the OurBricks module that allows to pull models inworld directly from the Ourbricks catalogue.Main Repository
Contains: Cardwall module