Tuta (Experimental)

Secure email, calendar & contacts

Internet & Communication

Actively maintained

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Screenshots & videos

About

Tuta mail is an email client with a strong focus on security and privacy that lets you encrypt emails on all your devices. Important: Flatpak release is in a preview stage and there are known issues. When reporting bugs please always specify that you are using Flatpak version. Keep your messages private and safe from any tracking: Tutanota is the most secure email service - fast, encrypted & open source. Trusted by 10 million users and recommended by security & privacy experts, this is the go-to app to protect your private emails and calendars from prying eyes. Tuta's secure email app also has an encrypted calendar & encrypted contacts, all in one place. Tutanota enables you to use the benefits of the cloud - availability, flexibility, automatic back-up - without compromising on security or privacy. With Tutanota's built-in encryption you own your data, no one else can access your private emails, calendars or contacts.

Changelog

Check out the release notes on GitHub: https://github.com/tutao/tutanota/releases/tutanota-desktop-release-360.260922.0

Additional information

Project

Developer: Tutao GmbH
License: GPL-3 (free software)What this license lets you do
Homepage: tuta.com
From the project: Report a bug Source code Donate Documentation
Latest release: September 28, 2026 (20 days ago)Actively maintained · 4+ releases in the last year
Release history: Last 4 releases
360.260922.0September 28, 2026
360.260921.0September 21, 2026
360.260917.0September 21, 2026
359.260904.0September 8, 2026

Install

Size: 153.1 MB
Installs: 184,638 on Flathub607 in the last 7 days
Available via: Flatpak · Arch Linux (2) · Nixpkgs
All 4 packagings
Flathub (Flatpak), AUR, AUR (Bin build), Nixpkgs
Flatpak sandbox: Wide access
Runs in a sandbox, but a broad part of it is open — typical for tools that need to manage your files or system. It shows what the app is able to do, not what it does.
What it can access
Reads all your files
Can access all devices, including cameras and USB
Reads and changes your Music folder
Reads and changes your Pictures folder
Reads and changes your Videos folder
Reads and changes your Downloads folder
Reads and changes your Documents folder
Reads and changes your Desktop folder
Can read passwords stored in your keyring
Uses the internet
Plays and records audio

About this data

Sources: Sources matched and checked by handSources disagree on the name: tutaexperimental / tutanotadesktop
Catalog data as of: October 12, 2026

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How each source lists it (4)

Source	Name	Version	Built by	License	Description
Flathub (Flatpak)	Tuta (Experimental)	360.260922.0	—	GPL-3	Secure email, calendar & contacts
AUR	tutanota-desktop	361.260929.0-1	—	GPL-3.0-or-later	The desktop client for Tutanota, the secure e-mail service.
AUR (Bin build)	tutanota-desktop-bin	361.260929.0-1	Community repack	GPL-3.0-or-later	The desktop client for Tutanota, the secure e-mail service.
Nixpkgs	tutanota-desktop	359.260904.0	Distribution build	GPL-3.0-only	Tuta official desktop client