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Elvish vs Nushell: catalog facts
Elvish	Nushell
Free Free and open source.	Free Free and open source under the MIT licence.
Windows, macOS, Linux, Command line	Windows, macOS, Linux, Command line
Readable scripts with lists, maps and functions Catches errors like undefined variables before running	Structured pipelines remove most text parsing from everyday shell work Identical behaviour on Windows, macOS and Linux
Not POSIX compatible, so Bash scripts do not run unchanged Smaller ecosystem than Bash, Zsh or Fish	Not POSIX compatible, so existing shell scripts do not run in it The language is still evolving and breaks between releases
Downloadable app	Downloadable app
Open source	Open source
License: BSD-2-Clause	License: MIT
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 22, 2026

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