Software
CD, ColDet: Free 3D Collision Detection Library, Computing the Distance between Objects, I_COLLIDE, QuickCD, RAPID: Robust and Accurate Polygon Interference De, SOLID: Software Library for Interference Detection, V-Clip Collision Detection Library, V-Collide
Collision Detection and Contact Determination Pape
An assortment of papers on collision detection and contact determination papers.
Collision Detection for Virtual Reality
Overview of research by Martin Held in interactive collision detection, including relevant papers and sample pictures.
Stephane Redon
Research on physically-based modeling. Continuous collision detection, dynamics simulation articles.