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Murex vs ksh 93u+m: catalog facts
Murex	ksh 93u+m
Free Free and open source.	Free Free and open source.
macOS, Linux, Command line	macOS, Linux, Command line
Native handling of JSON, YAML, XML and CSV Error handling and unit tests for scripts	Keeps the original KornShell 93 alive with ongoing fixes Compatible with existing ksh93 scripts
Not POSIX compatible, so existing Bash scripts need rewriting Smaller community than Bash, Zsh or Fish	Mainly distributed as source code Smaller community than Bash or Zsh
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License not stated
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 October 1, 2026

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