"SMOB is a distributed / decentralised microblogging system built on RDF and Semantic Web technologies, mainly SIOC and FOAF. Currently, we have simple prototypes of a publishing and an aggregating service, less than 100 lines of PHP code each."
TwitterGadget is a clean, robust, web 2.0 style client for Twitter.com, designed to submit status updates to Twitter via your iGoogle homepage or Gmail Account.
K. Borau, C. Ullrich, J. Feng, and R. Shen. Advances in Web Based Learning - ICWL 2009, 8th International Conference, Aachen, Germany, August 19-21, 2009. Proceedings, volume 5686 of Lecture Notes in Computer Science, page 78-87. Springer, (2009)
M. Böhringer, and S. Barnes. Proceedings of the 17th European Conference on Information Systems (ECIS), Verona, Italy, June 08-10, 2009, page in press. (2009)