grommunio in the media.
Selected press articles from leading trade publications about grommunio — covering product reviews, market comparisons and open-source collaboration coverage.
What the press says about grommunio
Leading trade publications and technology media have covered grommunio's role in open-source enterprise collaboration.
Linux Magazin 10/26
21 September 2026 - Linux Magazin reports: "Version 5.0 of the web client for the open-source groupware grommunio has been released with numerous new features."
Linuxnews online
21 September 2026 - Under the headline "grommunio Web 5.0 with OpenPGP and a New User Interface,” the online magazine reports on the new version of grommunio Web."
IT-Administrator 04/26
30 March 2026 — The renowned trade journal from Munich takes a close look at grommunio version 3.3 and reaches a highly positive conclusion.
IT-Administrator 05/22
5 May 2022 — A detailed guide on migrating from Exchange to grommunio, covering data protection requirements for schools, universities and authorities.
Linux-Magazin 04/22 – Market comparison
17 March 2022 — Open source alternatives to MS Exchange: grommunio rated as the best open-source groupware in a comprehensive market overview.
Linux Magazine 02/22 — Cover story
18 January 2022 — grommunio on the cover, on the DVD and in an eight-page article by Markus Feilner in Linux Magazine.
Open Source Way — 5 alternatives to Exchange
24 November 2021 — "There is no need to settle for a proprietary solution. Try one of these Linux-based email and groupware solutions."
Open Source Way — An open source alternative
24 September 2021 — "Open source users now have a robust and fully functional choice for groupware."
Heise Online — grommunio 21.08.1
13 August 2021 — Heise Online reports on the grommunio release expanding Linux support in the new version (in German).
Heise Online — Demo released
1 March 2021 — Heise Online covers grammm (now grommunio): "an open-source platform for corporate communication with interfaces to common proprietary and open systems."
Additional articles
Admin Magazine — "Top dog in sight" (issue 69, PDF)
Linux-Magazin — "T-Systems and grommunio offer a joint cloud service" (in German)
Linuxnews — "grommunio – a free alternative to Microsoft Exchange" (December 2021, in German)
iTWire — "Austrian open source firm offers replacement for Microsoft Exchange"
Linux China — "An Open Source alternative to Microsoft Exchange" (29 September 2021, in Chinese)
Franky's Web — "grammm: a new alternative to Exchange Server?" (in German)
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