Kopano
Secure groupware for email, calendar, and collaboration
Founded
2016
Starting Price
Free
Category
Collaboration
Last updated May 20, 2026
About Kopano
Kopano is a container-based cloud groupware platform offering email, calendar, contacts, notes, and tasks with native Outlook integration, ActiveSync for mobile, and a web client. Operated by NHe4a GmbH with over 20 years of groupware heritage (formerly Zarafa), it serves businesses needing a GDPR-compliant, EU-hosted alternative to Microsoft 365 or Google Workspace.
Pros & Cons
Pros
- GDPR-compliant EU hosting offers a privacy-focused alternative to US cloud giants
- Native Outlook compatibility means no client retraining for migrating teams
- Over 20 years of groupware engineering experience (Zarafa lineage)
- Scales from small teams to 50k+ user multi-tenant deployments
- Container-based architecture speeds up deployment and updates
Key Features
Email with Custom Domains
Unlimited mailboxes with support for your own custom email domains.
Calendar & Scheduling
Shared calendars with event scheduling, reminders, and resource booking.
Native Outlook Integration
Works seamlessly with Microsoft Outlook via auto-discover, no plugins required.
Web Mail Client
Feature-rich browser-based webmail client for accessing email anywhere.
ActiveSync for Mobile
Push email, calendar, and contacts to iOS and Android devices via ActiveSync.
Notes, Tasks & Contacts
Complete PIM functionality with synced notes, task lists, and contact management.
Self-Service Admin UI
Management interface lets admins and users handle account settings without IT tickets.
Pricing
Free Trial
Free/30 days
- Up to 10 users
- Full feature access
- Email, calendar, contacts, tasks
- Outlook & ActiveSync support
Business
Custom
Best For
European businesses needing GDPR-native email
Companies with strict EU data residency requirements get email, calendar, and collaboration hosted entirely within EU borders.
Microsoft 365 alternative for SMBs
Teams wanting Outlook compatibility without Microsoft's licensing model use Kopano as a drop-in replacement.
Service providers offering hosted groupware
MSPs and ISPs deploy Kopano's multi-tenant architecture to resell branded email and calendar services.
Organizations migrating from Zarafa or legacy mail servers
Long-time Zarafa or Kopano on-prem users move to the cloud-managed version while retaining familiar workflows.
