TagCloud is an automated Folksonomy tool. Essentially, TagCloud searches any number of RSS feeds you specify, extracts keywords from the content and lists them according to prevalence within the RSS feeds.
K. Lee, H. Kim, C. Jang, and H. Kim. WWW '08: Proceeding of the 17th international conference on World Wide Web, page 1093--1094. New York, NY, USA, ACM, (2008)
J. Pedro, and S. Siersdorfer. WWW '09: Proceedings of the 18th international conference on World wide web, page 771--780. New York, NY, USA, ACM, (2009)
I. Huvila, and K. Johannesson. Information Science and Social Media : Proceedings of the International Conference Information Science and Social Media ISSOME 2011, August 24-26, Åbo/Turku, Finland, volume 1 of Skrifter utgivna av Informationsvetenskap vid Åbo Akademi, page 99--106. Åbo Akademi, (2011)
I. Huvila, and K. Johannesson. Information Science and Social Media : Proceedings of the International Conference Information Science and Social Media ISSOME 2011, August 24-26, Åbo/Turku, Finland, volume 1 of Skrifter utgivna av Informationsvetenskap vid Åbo Akademi, page 99--106. Åbo Akademi, (2011)
C. Yeung, N. Gibbins, and N. Shadbolt. Proceedings of the International Workshop on Emergent Semantics and Ontology Evolution (ESOE2007) at ISWC/ASWC2007, Busan, South Korea, (November 2007)
A. Hotho, R. Jäschke, C. Schmitz, and G. Stumme. Proceedings of the Conceptual Structures Tool Interoperability Workshop at the 14th International Conference on Conceptual Structures, Aalborg, Denmark, Aalborg University Press, (July 2006)
I. Peters, L. Schumann, J. Terliesner, and W. Stock. Heinrich-Heine-University, Heinrich-Heine-University Department of Information Science Universitätsstraße1, 40225 Düsseldorf, Germany, (October 2011)