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Rink vs Soulver CLI: catalog facts
Rink	Soulver CLI
Free Free and open source, licensed under MPL-2.0 and GPL-3.0.	Free Free to install via Homebrew or GitHub.
Windows, macOS, Linux, Web, Command line	macOS, Command line
Tracks units through whole calculations Dimensional analysis catches mismatched quantities	Natural-language maths, units, currencies and dates in the terminal Accepts piped input for use in scripts
Repository is in the middle of moving to Codeberg No prebuilt releases listed on GitHub	macOS only Small project with limited documentation
Downloadable app, Web application	Downloadable app
Open source	Open source
License: MPL-2.0 and GPL-3.0	License: MIT
No account needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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