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brush vs Zsh: catalog facts
brush	Zsh
Best for: Bash users curious about a Rust implementation of a familiar shell	Best for: Interactive shell with powerful completion, globbing and prompt theming
Free Free and open source.	Free The open-source application is available without a license fee.
Linux, Command line	macOS, Linux, Command line
Bash-compatible syntax, so existing knowledge carries over Written in Rust	Completion system that knows the options of individual commands Recursive globbing and qualifiers that replace many find invocations
Compatibility with Bash may not be complete Younger and less widely used than Bash	Startup configuration grows complicated quickly, which is why frameworks exist Scripts written for Zsh are not portable to plain POSIX shells
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: MIT
No account needed	Not stated if an account is needed
Offline features available	Not stated if it works offline
Official website Full listing and sources Sources for brush github.com/reubeno/brush Catalog checked October 2, 2026	Official website Full listing and sources Sources for Zsh zsh.org Catalog checked September 22, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.