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Dash vs Zeal: catalog facts
Dash	Zeal
Best for: Offline API documentation browser and snippet manager for macOS	Best for: Search downloaded programming documentation without going online
Paid A one-time purchase is required. A trial with periodic prompts is available.	Free The open-source application is available without a license fee.
macOS	Windows, Linux
Completely offline documentation search with instant results Snippet manager with expandable placeholders across applications	Searchable offline documentation collections
macOS only, paid licence Documentation sets must be kept updated manually	Docsets must be downloaded before offline use.
Downloadable app	Downloadable app
Not open source	Open source
License not stated	License: GPL-3.0
Not stated if an account is 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 Dash kapeli.com/dash Catalog checked September 22, 2026	Official website Full listing and sources Sources for Zeal github.com/zealdocs/zeal Catalog checked September 22, 2026

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