Geometric Calculus Research and Development - http://modelingnts.la.asu.edu/GC_R&D.html Includes a brief introduction, articles and book chapters on the subject, as well as references to further information.
International Clifford Algebra Society - http://clifford.org/ Includes an abstracts mailing list, information on events and back copies of the journal "Advances in Applied Clifford Algebras".
Clifford - http://math.tntech.edu/rafal/cliff5/ A Maple package for computations in Clifford algebras of an arbitrary bilinear form. Includes documentations of new features and installation information, as well as downloads of the software.
The CLU Project - http://www.perwass.de/CLU/ Aims to produce tools for use with Clifford algebra. Includes information on the visualisation libraries and calculators produced, as well as downloads.
GA-Net - http://sinai.mech.fukui-u.ac.jp/GA-Net/ Free electronic newsletter on Clifford algebra and geometric algebra. Archive, free subscription functions and submission information.
ICCA7 - http://www.icca7.ups-tlse.fr/indexusa.html 7th International conference on Clifford Analysis and their applications in Mathematical Physics. Université Paul Sabatier, Toulouse, France; 19--29 May 2005.
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