PTC Mathcad, IBM SPSS Statistics, Mathematica, MATLAB, Maple, SigmaPlot, R (programming language), Maxima, SageMath, Microsoft Mathematics, wxMaxima, OpenAxiom, Swift Calcs, Montecarlito, KAlgebra, fxSolver, Euler Math Toolbox, Datawrapper, Giac/Xcas, FlexPDE, SimulationX, FriCAS, Cadabra, nerdamer, Statwing, DataCracker, UltimaCalc, FormulaDesk Math, SymbolicC++ are some alternatives to SymPy.