Compare software

yash vs brush: catalog facts
yash	brush
Best for: Users who want a POSIX-compliant shell for portable scripting and daily use	Best for: Bash users curious about a Rust implementation of a familiar shell
Free Free and open source.	Free Free and open source.
macOS, Linux, Command line	Linux, Command line
Close adherence to the POSIX shell standard Interactive line editing All 3 strengths for yash Close adherence to the POSIX shell standard Interactive line editing Useful for testing portable shell scripts	Bash-compatible syntax, so existing knowledge carries over Written in Rust
Smaller ecosystem of plugins and configurations than bash or zsh Not a terminal emulator; it runs inside one	Compatibility with Bash may not be complete Younger and less widely used than Bash
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: MIT
No account needed	No account needed
Offline features available	Offline features available
Official website Full listing and sources Sources for yash github.com/magicant/yash Catalog checked October 2, 2026	Official website Full listing and sources Sources for brush github.com/reubeno/brush Catalog checked October 2, 2026

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