toolgrep / Email & messaging

Tuta

End-to-end encrypted email, calendar, and contacts service with quantum-resistant encryption.

Visit tuta.com →Pricing

Tuta is a German email provider offering encrypted email, calendar, and contacts with a zero-knowledge architecture. All data is encrypted end-to-end using quantum-resistant cryptography, and clients are fully open source. Apps are available for Android, iOS, Windows, macOS, Linux, and browser. Paid plans add custom domains, alias addresses, more storage, and business features; data is stored on servers in Germany.

Category

Email & messaging

Pricing

freemium

Free tier

yes

API

no

MCP server

no

SDK

no

Open source

yes

#email#encryption#calendar#privacy#open-source#zero-knowledge

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Listed 2026-10-22 · last verified 2026-10-22 · extracted by @cf/zai-org/glm-5.3-flash · confidence 0.95

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