Open Source Alternatives to Google Workspace
A cloud-based collaboration and communication suite that provides email, file storage, video meetings, chat, and office applications for businesses and individuals, integrating AI features and security controls.
Whether you want to cut software costs or escape vendor lock-in, these open source alternatives to Google Workspace give you an option you fully own. Run them on your own server or desktop, so your data stays under your control. This page lists 13 open source alternatives to Google Workspace. The most popular are Docker Mailserver, Mail-in-a-Box and Stalwart Mail Server. Most use the AGPL-3.0 or GPL-3.0 license, and 10 offer an official Docker image.
Docker Mailserver
A production ready fullstack mail server providing SMTP and IMAP services within a containerized environment.
Mail-in-a-Box
A complete mail server appliance that automates the deployment of SMTP, IMAP, and DNS services.
Stalwart Mail Server
A mail and collaboration server supporting IMAP, JMAP, SMTP, CalDAV, CardDAV, and WebDAV protocols.
mailcow
A dockerized mail server suite providing a complete groupware solution with integrated administration and security.
CryptPad
A collaborative suite providing end-to-end encrypted document editing and file sharing for privacy focused team workflows.
Mailu
A full featured mail server deployed as a set of Docker images for easy setup and maintenance.
ONLYOFFICE Docs
Provides collaborative online editing for text documents, spreadsheets, presentations, and PDFs with Office Open XML compatibility.
Mox
A secure, self-hosted mail server designed for low maintenance and easy setup on your own domain.
LibreOffice
A comprehensive office suite compatible with common document formats and standards for personal productivity tasks.
Modoboa
Mail hosting and management platform featuring an administration panel, webmail, and integration with Postfix and Dovecot.
SOGo
A collaboration suite providing webmail, calendaring, and address book management with support for open standards.
WildDuck
A scalable IMAP and POP3 mail server that uses a distributed database for email storage.
iRedMail
A complete mail server solution for mainstream Linux and BSD distributions with comprehensive email management capabilities.
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