Source
Features page (open source) — Tuta Business
Checked for Tuta Business on 5 Nov 2026
- Page
- https://tuta.com/open-source
- Checked
- 5 Nov 2026, 14:02 UTC
- How we may use it
- Public page, crawling permitted
Technical details
- type
- page
- http status
- 200
- content hash
- sha256:9a7df0d894068d75284a7a42723c0b2614b14e444f63428d8e4560ae791a9a61
- permission
- robots_ok
- screenshot
- Screenshot on file (internal exhibit, not published)
Cited by
Facts read from this source
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Clients open source Report an error
“All Tuta clients are open source, making Tuta the best encrypted email service.”
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Client platforms Report an error
“the entire client code on GitHub for all Tuta apps – Windows, macOS, Linux, Android, iOS and web clients”
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Code published github Report an error
“Our choice to publish the entire client code on GitHub for all Tuta apps”
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E2e encryption Report an error
“It’s a guarantee that there is no backdoor in the end-to-end encryption.”
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Audit syss Report an error
“In an extensive penetration test, experts from SySS GmbH have not been able to hack into our system or retrieve any encrypted data.”
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License gplv3 Report an error
“we even built our own captcha and push notification service, in order to make sure that the software is free.”
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No google push Report an error
“we don’t need to rely on integrating with any closed-source third-party services, for instance by using Google Push.”
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F droid Report an error
“Tuta was the first open source email app available on F-Droid.”
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Custom builds Report an error
“we enable everyone to build and run their own custom version of email clients for Linux and F-Droid operating systems, based on their custom needs and preferences”
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Oin membership Report an error
“In 2017 we joined the Open Invention Network (OIN) to support and strengthen the FOSS community.”
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Community involvement Report an error
“From translation support to pull-requests to finding new team members, our community has a large share in how the future of Tuta is shaped.”
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Open source special offer Report an error
“As part of our way of thanking the community, we have a Special Offer to support open source projects.”
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Company funding Report an error
“Tuta is not backed by large Venture Capitalists, but built by a team of open source enthusiasts who build Tuta for the people.”
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Product suite Report an error
“Tuta Mail Tuta Calendar Tuta Drive”
Scores citing this record
- The Data Protection Officer Security, encryption & compliance archiving
- The IT Administrator Security, encryption & compliance archiving
- The IT Administrator Migration, open standards & exit
- The IT Service Provider Security, encryption & compliance archiving
- The IT Service Provider Migration, open standards & exit
- The Public Sector IT Lead Security, encryption & compliance archiving
- The Skeptic Security, encryption & compliance archiving
- The Small Firm Owner Security, encryption & compliance archiving