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Open Source Secure Email Providers

A curated collection of the best open source email services built around privacy, with end-to-end encryption, minimal metadata, and no scanning of your messages for ads..

Tuta

Secure email, calendar and contacts with end-to-end encryption

  • Stars

    8,132

  • Last commit

    2 days ago

  • License

    GPL-3.0
Tuta offers encrypted email, calendar and contacts with quantum-resistant security, protecting your privacy without ads or tracking.

Open Source Alternative to:

Gmail
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