Gmail
Email service with spam protection and Google integration
Open-Source Projects
Discover top open-source software, updated regularly with real-world adoption signals.
Discover top open-source software, updated regularly with real-world adoption signals.
Secure email with seamless end-to-end encryption across devices
Tuta Mail provides encrypted email, contacts, and calendar syncing on web, desktop, and mobile, ensuring privacy-first communication with built-in end-to-end encryption for every user.
When teams consider Tuta, these hosted platforms usually appear on the same shortlist.
Looking for a hosted option? These are the services engineering teams benchmark against before choosing open source.
Secure personal correspondence
All personal emails are encrypted end‑to‑end, protecting them from interception.
Encrypted team scheduling
Calendar entries shared within the team remain confidential and synchronized across devices.
Open‑source contribution
Developers can build, extend, and submit improvements to the client via GitHub.
Privacy‑compliant client communication
Businesses can communicate with clients without exposing data to advertising networks.
Messages are encrypted on the sender’s device and can only be decrypted by the recipient, providing end‑to‑end confidentiality.
Official clients are available for web browsers, native desktop applications, and iOS mobile devices.
Yes, the project is open source under the GPL‑3.0 license and hosted on GitHub.
The repository provides client code; self‑hosting the full email service is not part of the open‑source offering.
Use the Reddit community r/tutanota or the GitHub issue tracker for bug reports and feature requests.
Project at a glance
ActiveLast synced 4 days ago