Alternatives to eGroupWare for all platforms with any license

ONLYOFFICE

ONLYOFFICE is an opensource office and productivity suite that enables you to manage documents, projects, team and customer relations in one place. ONLYOFFICE is...

Freemium $ $ $ Open Source Mac Windows Linux Web Android ... iPhone Android Tablet iPad Self-Hosted
Compatible with Microsoft Office Multiple languages Works Offline Real time collaboration ... White-labeled Add a feature

233 Like
Kolab Community

Kolab Groupware is a secure, scalable, reliable, flexible, full-featured collaboration suite.

Free Open Source Linux Web Self-Hosted
CalDAV CardDAV Real time collaboration Support for WebDAV Add a feature

36 Like
Zimbra Collaboration Suite

Zimbra Collaboration is an open, secure collaboration tool for email, calendaring, tasks and more. With the most innovative web application available today, Zimbra...

Commercial Linux Web
ActiveSync Real time collaboration Add a feature

28 Like
Horde

Horde Groupware is a free, enterprise ready, browser based collaboration suite. Users can manage and share calendars, contacts, tasks and notes with the standards...

Free Open Source Web Self-Hosted
CalDAV Add a feature

24 Like
OX Open-Xchange

Open-Xchange Server 6 is the most advanced Linux based Groupware solution f. Open-Xchange Server 6 is superior in the following areas: • Open-Xchange Server 6 offers...

Free Open Source Linux Web
Real time collaboration Support for WebDAV Add a feature

11 Like
Citadel

Is a collaboration suite (messaging and groupware). It is designed to run on open source operating systems such as Linux or BSD. In order to modernize the Citadel...

Free Open Source Linux Web
Real time collaboration Add a feature

5 Like
Microsoft Exchange Server

Microsoft Exchange Server is a messaging and collaborative software product developed by Microsoft. It is part of the Microsoft Servers line of server products and is...

Commercial Windows Web
Real time collaboration Add a feature

16 Like
Kerio Connect

Kerio Connect makes email, calendars, contacts and task management easy and affordable. With Kerio Connect, you have immediate, secure access to your communications...

Commercial Mac Windows Linux Web
Sync Contacts POP3 Support Sync Calendars Add a feature

8 Like
iMail

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...

Free Windows Self-Hosted
No features added Add a feature

2 Like
OBM

OBM is a free messaging and collaboration platform useful for just a couple to many thousands of users with strong support for mobile devices.

Free Open Source Mac Windows Linux
CalDAV Real time collaboration Add a feature

3 Like
Expanding Communication

Turnkey Solutions for the Enterprise Cloud Installation, Configuration, and Management tools for enterprise email, collaboration, messaging, video conferencing, file...

Commercial Linux
CalDAV Add a feature

5 Like