The best Numerical Computation alternative to SigmaPlot is LabPlot, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 10 alternatives to SigmaPlot and four of them are Numerical Computation Software so hopefully you can find a suitable replacement. Other interesting Numerical Computation Software alternatives to SigmaPlot are NumeRe, Plotivy and Doronix Math Toolbox.
LabPlot is a free, open source and cross-platform Data Visualization and Analysis software accessible to everyone and trusted by professionals.
Open source framework for numerical computations and advanced statistical analysis, featuring nonlinear curve fitting, ODE solving, 1D/2D publication-quality visualization, Fourier and wavelet transforms, intuitive syntax, and namespace-based code organization for research.
Plotivy is a modern, AI-assisted platform designed specifically for scientific data visualization and image analysis. Built by an experimental physicist for researchers who want to focus on science rather than wrestling with plotting libraries.
Doronix Math Toolbox is a numerical computing environment with programming language which can be used as alternative to MATLAB. It allows matrix manipulations, plotting of functions and data, implementation of algorithms, creation of user functions, import and export CSV-files...
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