General Computer Algebra Links:     Computer Algebra Information Network         General Purpose Systems     SymbolicNet (ICM at Kent State University)     SAC Systems Listing     Software dealing with tensor calculus and related material:     CAIN LIST     Special Purpose Systems (Tensor Calculus)     Maple (includes a tensor package)          GRTensorII          Riegeom          Riemann     Mathematica          GRTensorM          CARTAN          EinS          MathTensor               SetTensor (Acknowledgements, Etc.)          Ricci          Tools of Tensor Calculus (TTC)     REDUCE          ATENSOR          Dimsym          ExCalc          GRG          GRLIB          Redten          RicciR     The SHEEP Family (SHEEP, CLASSI, STENSOR)          SHEEP          Database by Jim Skea             Local mirror             Mirror at Southampton             Main site in Brazil     Links by platform:       MapleV             Robert Israel's Maple Advisor Database             Alejandro S. Jakubi's Links Page             University of Essen's Maple V World-wide             Indiana University - Stat/Math Center Links Page             University of Texas, San Antonio - Dmitry Gokhman's Links