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Scilab vs R: catalog facts
Scilab	R
Free Free and open source.	Free Free software, supported by donations to the R Foundation.
Windows, macOS, Linux	Windows, macOS, Linux, Command line
Hundreds of built-in mathematical functions Xcos editor for modelling dynamical systems	Broad set of statistical methods and graphics Runs on Windows, macOS and many Unix platforms
Uses its own language rather than a general-purpose one	Downloads are spread across CRAN mirrors rather than a single page The language has quirks that take time to learn for programmers from other languages
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: GPL-2.0-or-later
Not stated if an account is needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 24, 2026

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