mathPAD Online (Popularity: )
http://www.mathpad.org/ Magazine of the MuPAD Research Group devoted to MuPAD, teaching with MuPAD, and mathematical research.
MuPAD (Popularity: )
http://www.mupad.de/ Open computer algebra system for symbolic and numerical computations. Library routines for linear algebra, integration, polynomials, and graphics. Can generate ...