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antidote vs Zi: catalog facts
antidote	Zi

Best for: Zsh users who want a fast plugin manager or are leaving Antibody	Best for: zsh users with many plugins who care about startup time
Free Free and open source.	Free Free and open source.
macOS, Linux, Command line	macOS, Linux, Command line
Continuity for Antibody and Antigen users Pure Zsh implementation with no extra runtime Focus on fast shell startup	Manages zsh plugins, themes and completions Focused on fast shell startup
Only for Zsh Plugin configuration is left to the user	Only works with zsh Configuration takes some learning
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: MIT
No account needed	No account needed
Not stated if it works offline	Offline features available
Official website Full listing and sources Sources for antidote antidote.sh Catalog checked September 24, 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.