Google Workspace Alternatives for Linux

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.

WikiSuite™ is especially suited to knowledge-centric organizations and offers most (80%+) of the data and information management features all organizations need.

Kolab is entirely Free and Open Source Software (a.k.a. FOSS), and uses Open Standards. We’ll get to why this is important to us, and hope that it is important to you thereafter.

Kopano puts an email, video meetings, calendaring, and file sharing solution within one single interface.

IceWarp integrates all communication & collaboration features in one unified solution. Available in cloud or for on-premises deployment, IceWarp is a great tool to share and exchange all information and ideas online, offline or via mobile devices.

OpenChange aims to provide a portable Open Source implementation of Microsoft Exchange Server and Exchange protocols.

Axigen provides a multi-tenant, fully integrated, multi-platform, all-in-one email, calendaring and collaboration messaging solution.

Linchpin is an efficient social intranet platform that focuses on effective collaboration and reduces complexity by means of user-specific customization.

Atmail webmail system offers a webmail client, email server platform and mailserver appliance for Linux, Unix and Windows.

Turnkey Solutions for the Enterprise Cloud

Installation, Configuration, and Management tools for enterprise email, collaboration, messaging, video conferencing, file sharing, and file transfers.