Discrete and Computational Geometry related sites:

• Matemática Discreta y Algorítmica. Information on Discrete and Algorithmic Mathematics in Spain, mantained by the group Combinatoria y Comunicación Digital in the Computer Science Department at the Universidad Autónoma de Barcelona.
• The Geometry Center in Minnessotta. There you will find a gallery of interactive geometry and some Computational Geometry software (maintained by Nina Amenta).
• David Eppstein (University of California at Irvine) maintains information on applications, journals, conferences and much more.
• Jeff Erickson (Duke University) also maintains some Computational Geometry Pages.
• Search in the Geometry Literature Database. There is also a Spanish mirror of GeomBib.
• The Computer Science Department at University of Constance has information on literature, conferences and workshops, groups and organizations, software, etc, as does the German Interest group on Computational Geometry. The latter is in German.