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Capsule

Documents that run like apps

Visit Capsule

Capsule packages an app's interface, media assets, and local SQLite database into one portable .capsule file. Files can be sent via messaging or email and opened on desktop or in a browser. Data stays on the device, apps run in a sandboxed webview with a strict Content Security Policy, and files use standard SQLite tables that can be inspected or exported with standard tools. Writes are batched into atomic transactions, and a 3-way merge tool resolves differences between divergent copies synced through services like Dropbox, iCloud, or OneDrive.

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Ranked by how well each tool replaces Capsule: shared features, audience, price and popularity.

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