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Sheldon vs Zi: catalog facts
Sheldon	Zi

Best for: Manage shell plugins from a structured configuration file	Best for: zsh users with many plugins who care about startup time
Free The open-source software is available without a license fee. Hosting, hardware and external services are separate.	Free Free and open source.
macOS, Linux, Command line	macOS, Linux, Command line
Loads local or remote plugins with configurable installation rules.	Manages zsh plugins, themes and completions Focused on fast shell startup
Downloaded plugins run within your shell environment.	Only works with zsh Configuration takes some learning
Downloadable app	Downloadable app
Open source	Open source
License: MIT OR Apache-2.0	License: MIT
Not stated if an account is needed	No account needed
Not stated if it works offline	Offline features available
Official website Full listing and sources Sources for Sheldon github.com/rossmacarthur/sheldon Catalog checked September 22, 2026	Official website Full listing and sources Sources for Zi github.com/z-shell/zi Catalog checked October 2, 2026

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