Octave
Octave is a free, open-source desktop app for Windows. GNU Octave is a high-level language and desktop environment for numerical computing, largely compatible with MATLAB scripts. It has 669 GitHub stars and is released under the GPL-3.0 license, and people use it instead of MATLAB.
github.com/gnu-octave/octave (opens in a new tab)
Data as of from the GitHub API; description from the project's repository. Report an error
About Octave
GNU Octave -- a high-level language for numerical computations ==============================================================
Replaces
Commercial software people commonly use Octave instead of.
- MATLAB
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Is Octave free and open source?
Yes. Octave's source code is public on GitHub under the GPL-3.0 license, which is OSI-approved or FSF-free, so you can use, copy and change it for free.
How do I install Octave?
Download the installer for Windows from its GitHub Releases page (latest: release-11-3-0) or the project website.
Can Octave replace MATLAB?
Octave is commonly used as a free alternative to MATLAB. Features differ, so check that it opens the file formats and covers the workflows you rely on before switching.