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Soulver CLI vs Rink: catalog facts
Soulver CLI	Rink
Free Free to install via Homebrew or GitHub.	Free Free and open source, licensed under MPL-2.0 and GPL-3.0.
macOS, Command line	Windows, macOS, Linux, Web, Command line
Natural-language maths, units, currencies and dates in the terminal Accepts piped input for use in scripts	Tracks units through whole calculations Dimensional analysis catches mismatched quantities
macOS only Small project with limited documentation	Repository is in the middle of moving to Codeberg No prebuilt releases listed on GitHub
Downloadable app	Downloadable app, Web application
Open source	Open source
License: MIT	License: MPL-2.0 and GPL-3.0
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.