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

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