# 1 Best Open-Source Alternatives to Tuta in 2026

By Noah — last updated & pricing verified September 15, 2026.

> 1 of the 3 Tuta alternatives we list qualify for this filter. The [full list](https://findalternative.to/tuta) is the canonical page.

| Alternative | Best for | Price | Details |
| --- | --- | --- | --- |
| Proton Mail | privacy-conscious individuals, journalists, and small teams who want end-to-end encrypted email with open-source, independently audited clients rather than a mainstream provider that can technically read stored mail | Free tier · paid from $3.99/mo | https://findalternative.to/proton-mail/about |

All 3 alternatives to Tuta: https://findalternative.to/tuta

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Markdown mirror of https://findalternative.to/tuta/open-source — findalternative.to, honestly ranked software alternatives. AI info: https://findalternative.to/ai