Secure and private email, calendars and more

Owned and operated in Switzerland

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Open

100% Free & Open Source Software (FOSS)
Open standards and formats used for all storage and communication
No vendor lock-in

Private

All data stored under swiss jurisdiction
User data never transmitted to any third party without explicit consent
GDPR, HIPPA and PCI compliant

Secure

Built secure from the ground up
Supports perfect forward secrecy (PFS)
End-to-end encryption available
No back doors

Email

Contacts

Calendar

Files

Tasks

Notes

just email

CHF 5.00 / mo

5 GB of storage
End-to-end encryption
Responsive Web Client
IMAP & SMTP
Access to Support

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full kolab

CHF 9.90 / mo

5 GB of storage
End-to-end encryption
Responsive Web Client
ActiveSync, IMAP & SMTP, CalDAV & CardDAV
Access to Support

Start free trial