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Kopano ONE

simple, fast, digitally sovereign

Kopano ONE is your ready-to-run self-hosted email & calendaring server. It is being developed in such a way that it can be operated with maximum digital sovereignty, while at the same time being available as quickly and easily as comparable public cloud solutions.

Test drive Kopano ONECheck out Apps

About Kopano ONE

Kopano ONE is a special edition of the Kopano Groupware, in which we specially coordinate all important components. It is our goal to offer with Kopano ONE a fast available and digitally sovereign operable e-mail and calendaring server.

  • E-mail, calendar, tasks, contacts, notes
  • WebApp, DeskApp, Mobile Devices & Standard Protocols
  • S/MIME, Basic-MDM, Files and other extensions

Intuitive clients and mobile devices

The Kopano WebApp is the simple and intuitive client for Kopano ONE. The DeskApp integrates the client in Windows, macOS or Linux, so that other programs such as spreadsheets can easily transfer documents as e-mail attachments.

  • Kopano DeskApp for Windows, macOS and Linux
  • Kopano WebApp in all common browsers
  • Mobile devices (z-push) and standard protocols (IMAP, POP3, CalDAV)

Frequently asked questions (FAQ)

Kopano ONE is a special edition of Kopano Groupware, in which all components are optimized for a quick and easy setup and start.  
Kopano ONE is supported on Debian 10 and support for RHEL 8 will be supported soon. Besides this we focus on appliances and think about containerization and virtualization.
For installations with up to 250 users we recommend Kopano ONE. For larger installations please reach out to sales to learn which edition fits best to your needs.
We are currently working on a migration path from existing Kopano Groupware installations to Kopano ONE. Please note that special requirements (everything besides directory on the same system) do apply to Kopano ONE.
Kopano Core 9 will be available in our repositories in early 2021. In the meantime you may have a look at Kopano ONE.
Please send us your question via the form below. We will contact you as soon as possible. If you want to reach out to us on specific / longer topics, please use our contact form!