Tuta
Tuta (formerly Tutanota) is an encrypted email and calendar service brand operated by Tutao GmbH, a company based in Hanover, Germany; the source code of its clients is published on GitHub under the GPL-3.0 license.
Contents6 sections
Key facts
2011Start as a Secure Email Service
According to the team page on Tuta’s website, the service started as a secure email service in 2011, which the site notes was before the Snowden leaks.[1]
March 2014Launch of Tutanota
In its renaming announcement, Tuta recalled that Tutanota launched in March 2014.[2]
November 7, 2023Tutanota Renamed Tuta
The official blog announced that Tutanota had changed its name to Tuta and adopted the domain tuta.com; the post explained that users wanted a shorter domain and that the old name was hard to share over the telephone.[2]
As of October 2026: Products and Operator
Tuta’s public GitHub repository describes it as an email service focused on security and privacy that encrypts emails, contacts and calendar entries, with web, desktop, iOS and Android clients; the repository is licensed under GPL-3.0.[3]
The press page lists reaching ten million users among its milestones.[4]
The legal notice on the website states that the service is operated by Tutao GmbH in Hanover, represented by Arne Möhle, Hanna Bozakov and Matthias Pfau, and registered at the Hanover district court under HRB 208014.[5]
Related Organizations, Websites, and Public Accounts
Tuta: Official website: https://tuta.com/ (opens in a new window)[5]
X: Official account: https://x.com/TutaPrivacy (opens in a new window)[2]
GitHub: Code repository: https://github.com/tutao/tutanota (opens in a new window)[3]