An open source platform for everyone
grommunio efficiently combines all the requirements of modern, digital communication and collaboration. This includes the device- and operating system-independent management of sensitive data such as e-mail, contacts, calendar, chat, video conferencing, file sharing and much more – in real time.
With open source technology based on Linux, grommunio is scalable and meets the highest security requirements. Thanks to its advanced architecture, grommunio can be easily integrated into existing systems.
Use your existing software, such as Outlook, for e-mail, calendar, contacts and tasks. In addition, powerful open source tools strengthen your teams with chat, video conferencing, files and Office – without additional plugins.

