News, insights, stories and customer successes from across the grommunio world.
At the Graz Linux Days, grommunio organized a highly acclaimed coding challenge that attracted many participants.
“Independent and More Resilient”: grommunio at the Radolfshausen Municipality. More Municipalities are turning to the grommunio.
Graz Linux Days 2026: grommunio presentations, workshops, and a coding challenge! Over 2,000 visitors made their way to Styria again in 2026.
The renowned trade journal “IT-Administrator” has once again taken a close look at grommunio and reached a highly positive conclusion.
As in previous years, grommunio will once again participate in the Graz Linux Days on April 10 and 11, 2026.
Exchange without protection? From mid-October, MS Exchange administrators will no longer receive security patches, bug fixes or updates.
The partnership between grommunio and Cancom SE, one of the largest IT system houses, is bearing fruit: digital sovereignty for local authorities.
The new major release grommunio 2025.01.1: New operating system, significant speed improvements and lots of new features.
The Arbeitskreis für Aus- und Weiterbildung Landau in der Pfalz e.V. (AAW) has successfully converted its almost 300 users to grommunio.
grommunio at the Munich Tech Days. Markus Feilner will take part in the Closing Keynote on Thursday evening.
grommunio improves mailbox performance, not only for all teams that work with shared mailboxes, an enormous increase in performance for all users.
Presentations and networking: Meet grommunio experts at three events organized by SUSE, the world's largest Linux vendor.
As of last year grommunio has been supporting Exchange Web Services (EWS). These services represent another important API.
grommunio is pleased to announce the appointment of Michael Kromer as its new Chief Technical Officer (CTO).
grommunio at the 25th Chemnitzer Linux-Days 2024, one of the most important German open source and community conferences.
It's that time again: As every year, IT experts from all over Europe will meet on April 5 and 6 for the Grazer Linuxtage.
Reinforcement for grommunio: Markus Feilner joined the grommunio team on March 1, bringing a wealth of experience with him.
At the beginning of February this year, Jan Engelhardt from grommunio gave a presentation at FOSDEM in Brussels.
grommunio Releases Version 2023.11.3: Unveiling Full EWS Support and Enhanced Features for a Seamless Communication Experience.
Our Lead Software Architect Jan Engelhardt will talk about the implementation of 27 MS Exchange protocols & APIs at FOSDEM.
The third year was also extremely successful for the leading open source groupware: in 2023, we have implemented this continuously.
Sending you heartfelt thanks and our gratitude for your continued support over the past year. Thanks!
Presentation of grommunio 2023.11.1, a groundbreaking update that consolidates the company's position as the leading open source groupware platform.
grommunio is proud to play a significant role in OSC (Open Source Collaboration) and thus in the future vision of Telekom.
Three years ago, on a blazing hot Viennese summer day in August 2020, grommunio was launched.
grommunio packages can now also be found in openSUSE Factory as well as in Tumbleweed. Our CMO was at SUSECON 2023.
grommunio has now fully integrated Exchange ActiveSync 16.0 and 16.1 into grommunio Sync - with improvements in the Admin Panel and MDM.
"Relax and Unleash the Power of Open Source" - a guest article by Markus Feilner, Consultant for open source strategies.
With grommunio you provide your teams with a secure, sovereign and self-determined workplace - without vendor lock-in.
Multi-LDAP, multi-tenant architecture, audit-proof authentication: grommunio is tailored for large environments and hosters.
Even in 2023, Microsoft Exchange customers are under massive pressure - remedy: Exchange your Exchange. Switch to grommunio now.
The Powershell admin interface "Admin API for Powershell" AAPIPS gives Microsoft admins direct access to the grommunio Admin API.
Among the many changes that grommunio version 2022.12.1 brings, one feature in particular stands out: grommunio Desktop.
2022 brought grommunio a lot of media attention and new partnerships, including T-Systems and the Upgrade to Linux initiative.
grommunio 2022.12.1 is available now and offers a long list of new features, updates and bug fixes.
Another year has passed in the history of grommunio, and we want to take this opportunity to say thank you.
Upgrade to Linux initiative: grommunio, Linux Professional Institute, Tuxedo Computers and Linux Magazine work together.
Another Remote Code Execution in MS-Exchange: With high severity in the Common Vulnerability Score System - CVE-2022-41040 and CVE-2022-41082.
Stay compatible! grommunio not only supports Outlook 2013-2021, but also offers many improvements and benefits.
New Release: grommunio 2022.05.2 - PHP 8.1, topic search, 22 languages and improved Public Folders: a long list of highlights.
It is a great advantage for our partners, customers and admins as well as developers that grommunio is part of the open source software community.
T-Systems is a Platinum Partner that will launch the "OpenSource Collaboration" software with grommunio on the Open Telekom Cloud.
grommunio Appliance 2022.05.1 is now available and offers a long list of new features, updates and bug fixes.
In the new IT Administrator 05/22 with the article "Migration from Exchange to grommunio", we describe this topic clearly.
The Linux-Magazin 04/22 is available for a short time and grommunio has made it again on the DVD included in the magazine.
grommunio appliance 2021.08.3 has just been released as scheduled. This is a minor release with significant improvements.
As of last week the Linux-Magazine 02/22 is available, which has grommunio on the cover, as well as in an article and on the DVD.
Change to grommunio now - on your terms! We offer the same conditions that you pay with your current service provider
At the end of 2020, the founder of grommunio laid the foundation. One year later, we look back on a successful year - A good vintage.
On November 24, Open Source Way reported on grommunio again. ‘5 open source alternatives to Microsoft Exchange’.
We are pleased to announce the release of grommunio appliance 2021.08.2 for 24 November via our website.
The Open Source Magazine reported on 24 September under the heading: 'An open source alternative to Microsoft Exchange' about grommunio
Heise Online reported on 13 August under the heading: ‘grommunio, formerly grammm: New release of the free Exchange alternative’.
Announcement release Appliance 2021.08.1 on 17 August. This is our most comprehensive release to date and includes new features and fixes.
grammm becomes grommunio - due to the phonetic similarity to a US company, we decided on a new name.
Today we have our first video commercial "What is grammm?" published on our YouTube channel. It's worth a visit!
We are pleased to announce the release of the grammm appliance 2021.02.2 and thank you in all forms for the feedback!
On 7 April, Kopano made a public statement on their homepage accusing grammm of copyright infringement.
On 26-March, c`t magazine reported on grammm - text excerpt: "We spoke to the grammm developers...
grammm publishes update of the installation medium of the grammm appliance 2021.02.1 from 17 March brings some innovations.
grammm offers a safer alternative to MS Exchange. The BSI has announced that four vulnerabilities in MS Exchange have been closed.
Users from the fields of education, research, the public sector, authorities, governments and non-profits receive high discounts.
Heise Online reported on grammm. In addition to the demo, there is now the option of installing grammm on your own server.
Roadmap published for the next 12 months The next major release is planned for August 2021 as version 2021.08.
Product expanded to include grammm MDM. The grammm Mobile Device Management (MDM) enables the management of connected mobile devices.
In a performance benchmark, grammm has a performance that is 5 times faster than Microsoft Exchange.
We warmly welcome Martin Witte as Chief Sales Officer at grammm and look forward to his many years of experience.
Thanks to all customers and partners. After an eventful and busy year, we wish you a Merry Christmas and a Happy New Year.
Our partner portal is live, so customers and partners have a portal on which licenses can be purchased and edited.
Product extended by grammm Files. Files stores data in its own infrastructure - as a cloud solution according to the customer's rules.
As a sales partner, you too can benefit from these growth opportunities and the excellent possibilities of the “Partner-pro-grammm“.
grammm presents its product portfolio and prices. The business model is based on the provision of support services.
The first beta version of the video platform is available with grammm Meet. No installation on the client is required for use.
grammm is now available as a beta version. The first open source solution that offers fully functional OutlookAnywhere (RPC over HTTP).
grammm GmbH in Vienna starts business operations. Norbert Lambing, Victor Tesla and Mike Williams are working on an open source platform.
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