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 OS X
Windows
Linux

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

Links to official OBM sites

Features

Real time collaboration CalDAV

The Best 4 OBM Alternatives

caldav filter is active.

40 Like

Kolab Now

Kolab Now provides a suite of intuitive apps in a user friendly environment to make your day to day online comms easier, smarter and most importantly; secure.

Open Source Commercial Web DAVdroid

Real time collaboration CalDAV CardDAV
34 Like

Kolab Community

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

Free Open Source Linux Web Self-Hosted

Real time collaboration Support for WebDAV CalDAV CardDAV
26 Like

SOGo

SOGo is groupware server with a focus on scalability and open standards. SOGo provides a rich AJAX-based Web interface and supports multiple native clients through the use of standard protocols such as CalDAV, CardDAV and GroupDAV.

Free Open Source Linux Web Cloudron Thunderbird

CalDAV CardDAV
6 Like

SophiMail

SophiMail is a fully-featured email and collaboration server solving the most critical email issues: maximizes Privacy, Portability and Cost efficiency, Admin & User productivity.

Free BSD Self-Hosted VirtualBox VMware vSphere Hypervisor

Privacy focused Security focused Shared folders Team Collaboration CalDAV CardDAV Two factor authentication Data portability Indexed search Unlimited users Private messaging Schedule Backup Daily Backup Selective folder sharing

This page contains applications similar to the OBM

The Best OBM alternatives for Real time collaboration, from CalDAV to a free app.
Alternatives in OBM for Web, DAVdroid, Linux, Self-Hosted, Cloudron, Thunderbird, BSD, VirtualBox, VMware vSphere Hypervisor. This list contains a total of 4 applications similar to OBM.

Last updated: 2020-07-03 01:30:33

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Real time collaboration CalDAV CardDAV Support for WebDAV Privacy focused Security focused Shared folders Team Collaboration Two factor authentication Data portability Indexed search Unlimited users Private messaging Schedule Backup Daily Backup Selective folder sharing

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OBM

Links to official OBM sites

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The Best 4 OBM Alternatives

Kolab Now

Kolab Community

SOGo

SophiMail

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