Google Workspace is not available as a self-hosted solution but there are some alternatives for power users and business that want to host a solution on-premise. The best Self-Hosted Mail Server alternative is Zimbra Collaboration Suite. If that doesn't suit you, our users have ranked more than 50 alternatives to Google Workspace and five of them are Mail Servers available as a self-hosted solution so hopefully you can find a suitable replacement. Other interesting Self-Hosted Mail Server alternatives to Google Workspace are Microsoft Exchange, Axigen, CrossBox and iMail.
Zimbra Collaboration is an open, secure collaboration tool for email, calendaring, tasks and more. With the most innovative web application available today, Zimbra boosts the productivity of users on any desktop and dramatically reduces TCO compared to legacy platform vendors.
Exchange business-class email helps increase user productivity while protecting your data. Get it as a hosted service or run it on your servers.
Axigen provides a multi-tenant, fully integrated, multi-platform, all-in-one email, calendaring and collaboration messaging solution. It grants extensive branding options and is localized in over 29 languages (including right-to-left writing mode).
Real-time email, chat, audio/video calls & conferences, file-sharing, and contacts app with a modern and intuitive UI.
Fast, safe, heavy mail solution. Web-client access, LAN or WAN self-hosted server, maintenance-free design. No Windows server and database server required, unlimited mail accounts, storage, attachment size, custom logo. Free for commercial use.
United States
Italy
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Bosnia & Herzegovina
China
Axigen is very robust email server, affordable, easy to host and manage with docker. You won't have any excuse left to take over your own data.