OBM 3 is here!

Meet the new generation of collaborative software

OBM 3 is a new big step in the life of OBM. We focus on major usages of OBM to create a better user experience, more consistent and simple.

Checking your email, planning a meeting, working with your addressbook... it has never been so easy.

In addition, OBM 3 introduces a powerful provisioning API: create users and groups in large quantity!

OBM3 is the fastest and most complete version of OBM.

We are not just talking of a scalable infrastructure, thousands and thousands of users on the same infrastructure...

We're doing it!

Read More or Install It

OBM is Free

OBM is free as in speech and free as in beer. No license cost, no freemium offer, everything under your control.

OBM is ubiquitous

Make your content available both offline and online, synchronizing with thunderbird and your mobile phone and providing a sexy web access. OBM aims to provide well-integrated groupware and project management for teams of all sizes. In today's fast-paced world, high availability is a must. Therefore OBM provides a secure solution that reduces the chance for an outage. As Linagora's focus is on Open Source Software, OBM uses the power of the community to provide a premier quality solution fit for the users needs.

OBM is scalable

OBM will grow with your organization, regardless of its size. Start with it today and expect it to keep working for long.


Communicate and participate

We love communities. As followers of Open Source philosophy, we appreciate talks and feedback as well as contributions. You can follow us on OBM Twitter or Developer's mailing list. We are also on IRC ! Feel free to check the links below.

OBM User's Group

A place to exchange, be informed and participate. OBM Users' Group is a great place to talk about the product between users and access to a first handed information. Users' group members get access to a private section, in-real-life events and much more !


Last blog's article

Opush 3.0.6 release

Friday, January 30, 2015 - 12:10

Opush 3.0.5 release

Wednesday, January 21, 2015 - 14:27

OBM 3.1.1 is out!

Tuesday, January 20, 2015 - 11:02