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Scilab vs AlphaPlot: catalog facts
Scilab	AlphaPlot
Free Free and open source.	Free Free and open source under the GPL-3.0 license.
Windows, macOS, Linux	Windows, macOS, Linux
Hundreds of built-in mathematical functions Xcos editor for modelling dynamical systems	Creates customizable 2D and 3D plots Includes curve fitting, statistics, and FFT tools
Uses its own language rather than a general-purpose one	Focused on scientific data analysis and graphing
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: GPL-3.0
Not stated if an account is needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 8, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.