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antidote vs Sheldon: catalog facts
antidote	Sheldon

Best for: Zsh users who want a fast plugin manager or are leaving Antibody	Best for: Manage shell plugins from a structured configuration file
Free Free and open source.	Free The open-source software is available without a license fee. Hosting, hardware and external services are separate.
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	Loads local or remote plugins with configurable installation rules.
Only for Zsh Plugin configuration is left to the user	Downloaded plugins run within your shell environment.
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: MIT OR Apache-2.0
No account needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Sources for antidote antidote.sh Catalog checked September 24, 2026	Official website Full listing and sources Sources for Sheldon github.com/rossmacarthur/sheldon Catalog checked September 22, 2026

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