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Soulver CLI vs eva: catalog facts
Soulver CLI	eva
Free Free to install via Homebrew or GitHub.	Free Free and open source under the MIT licence.
macOS, Command line	Windows, macOS, Linux, Command line
Natural-language maths, units, currencies and dates in the terminal Accepts piped input for use in scripts	Interactive REPL or one-off expressions from the command line Syntax highlighting and persistent history
macOS only Small project with limited documentation	No packaged releases on GitHub A plain calculator, not a full programming language like bc
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: MIT
No account needed	No account needed
Not stated if it works offline	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.