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Murex vs Elvish: catalog facts
Murex	Elvish
Free Free and open source.	Free Free and open source.
macOS, Linux, Command line	Windows, macOS, Linux, Command line
Native handling of JSON, YAML, XML and CSV Error handling and unit tests for scripts	Readable scripts with lists, maps and functions Catches errors like undefined variables before running
Not POSIX compatible, so existing Bash scripts need rewriting Smaller community than Bash, Zsh or Fish	Not POSIX compatible, so Bash scripts do not run unchanged Smaller ecosystem than Bash, Zsh or Fish
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License: BSD-2-Clause
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 24, 2026

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