Zimbra is an enterprise-class email, calendar, and collaboration solution built for the cloud, both public and private.
Starting at $6 per mailbox per year
Best Nextcloud Mail Alternatives ranked by AI · updated Aug 2026
Nextcloud Mail is a webmail application integrated with the Nextcloud collaboration platform. It suits teams already using Nextcloud who want email, calendars, contacts, and files in one self-hosted workspace.
Top 6 Nextcloud Mail alternatives
Roundcube is a browser-based multilingual IMAP client with an application-like user interface.
SOGo is a fully-featured collaboration suite with focus on scalability and simplicity.
Free and paid versions available
Inout Webmail is a self-hosted PHP webmail application for organizations and hosting providers that need browser-based access to email accounts. It provides...
Pros
- Can be deployed on hosting that supports PHP
- Connects to existing mailboxes instead of requiring a new email provider
- More customizable for branded deployments than hosted webmail services
Cons
- Smaller ecosystem and community than Roundcube or Zimbra
- Requires separate mail-server infrastructure and administration
- Less transparent pricing and documentation than open-source alternatives
Afterlogic Webmail is a fast and modern webmail client with a sleek interface.
Free trial available, pricing starts at $49
6
SnappyMail
SnappyMail Team
SnappyMail is a modern open-source webmail client for users and administrators running their own mail infrastructure. It focuses on a responsive interface,...
Pros
- More modern and responsive interface than Inout Webmail
- Free and open source with no per-user licensing cost
- Supports plugins, multiple identities, and common webmail workflows
Cons
- Smaller deployment ecosystem than Roundcube
- Still requires separate mail-server and authentication setup
- Provides fewer calendar and collaboration features than SOGo or Zimbra
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