Tuta

Encrypted email, calendar, and contacts with quantum-resistant security.

PlatformWebAccount requiredfreemiumglobal

An encrypted email, calendar, and contacts platform that uses quantum-resistant security to protect messages and scheduling data. It is offered as a freemium, self-hostable service for individuals, organizations, and activists who prefer private, end-to-end protected communication instead of providers that scan user content.

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Full match profile

Behind the summary, Matchbox keeps a richer profile of Tuta - the signals our matcher actually reads to decide when to surface it. It stays private; claim the listing to see and control it.

Problem & pain-point mapping
Who we surface it to (audience fit)
What it's a strong alternative to
Trust & credibility signals

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