grommunio Chat – Open-Source Enterprise Chat for Secure Team Communication
grommunio Chat extends the grommunio platform with modern team communication, direct messaging, and channel-based collaboration. Organizations benefit from a central communication platform that integrates seamlessly with email, calendars, contacts, and other grommunio components.
As part of the grommunio platform, grommunio Chat enables structured and traceable communication across teams, projects, and organizations. Users work within a shared environment and benefit from streamlined communication, centralized user management, and full control over data and infrastructure.
Communication Directly Within the grommunio Platform
grommunio Chat is directly integrated into grommunio Web and provides access to team communication within the same interface already used for email, calendars, and contacts.
Users do not need to switch between different applications. Communication, scheduling, and message management remain within a single working environment.
• Unified user interface
• Reduced context switching
• Centralized user management
• Faster communication
• Higher productivity
Team Channels for Structured Collaboration
Communication in grommunio Chat is organized through teams and channels. Projects, departments, and working groups can structure their communication clearly and document it over the long term.
Information remains traceable and is not lost in individual emails or private messages.
• Project channels
• Team communication
• Knowledge sharing
• Searchable history
• Traceable communication
Direct Messages and Group Conversations
In addition to team channels, grommunio Chat supports direct messages and group conversations for day-to-day collaboration.
Employees can mention colleagues, share files, and exchange information quickly.
• Direct messages
• Group chats
• Notifications
• Mentions
• File sharing
• Modern user interface
Fast Onboarding of New Users
New employees and project members can be integrated into existing communication structures quickly. Teams can be expanded easily, and users gain immediate access to relevant channels and workspaces.
• Fast user onboarding
• Simple team management
• Centralized permissions
• Structured collaboration from day one
Integration into Existing Enterprise Environments
grommunio Chat can be integrated flexibly into existing enterprise environments and supports centralized identity and security concepts.
Typical integrations:
• LDAP
• Active Directory
• Keycloak
• OpenID Connect
• SAML
• Reverse proxy architectures
• Linux-based server environments
Communication Under Your Own Control
Many chat platforms are available exclusively as cloud services. With grommunio Chat, organizations retain control over communication data, user management, and infrastructure.
The platform is based on open-source technologies and can be operated within your own data centers or controlled hosting environments.
• Full data sovereignty
• Open source
• Self-hosting
• Linux-based infrastructure
• Centralized security policies
• Support for digital sovereignty
Benefits of grommunio Chat at a Glance
• Open-source enterprise chat
• Integration into grommunio Web
• Team channels and project communication
• Direct messages and group chats
• LDAP and Active Directory integration
• Single Sign-On
• Linux-based infrastructure
• Self-hosting
• Control over data and user management
Typical Use Cases
• Enterprises
• Government agencies
• Educational institutions
• Project organizations
• Linux-based workplaces
• Privacy-sensitive environments
• Open-source collaboration platforms
Organizations that want to retain control over communication, user management, and data storage particularly benefit from an integrated open-source solution within the grommunio platform.
Frequently Asked Questions about grommunio-chat
What is grommunio-chat?Show answerHide answer Action: Open answerClose answer
grommunio-chat extends the grommunio platform with channel-based team communication and messaging within an open-source collaboration environment.
What technology is grommunio-chat based on?Show answerHide answer Action: Open answerClose answer
grommunio-chat is technically based on Mattermost, an established open-source platform for team communication and messaging.
Does grommunio-chat support channel-based communication?Show answerHide answer Action: Open answerClose answer
Yes. Users can create public and private channels for teams, projects, and organizational areas.
Can files be shared within chats?Show answerHide answer Action: Open answerClose answer
Yes. grommunio-chat supports file uploads and document sharing within channels and direct messages.
Does grommunio-chat support Single Sign-On?Show answerHide answer Action: Open answerClose answer
Yes. In combination with grommunio-auth, the platform supports centralized SSO architectures via OpenID Connect and SAML.
Can grommunio-chat be used with LDAP or Active Directory?Show answerHide answer Action: Open answerClose answer
Yes. The platform can be integrated into existing LDAP and Active Directory environments.
Is grommunio-chat suitable for Linux environments?Show answerHide answer Action: Open answerClose answer
Yes. The platform is fully based on Linux and open-source technologies and is particularly suitable for Linux-based enterprise environments.
Can communication data be hosted within your own infrastructure?Show answerHide answer Action: Open answerClose answer
Yes. grommunio-chat can be operated entirely within your own Linux and server infrastructures.
Does grommunio-chat support digital sovereignty?Show answerHide answer Action: Open answerClose answer
Yes. Organizations retain control over:
- Communication data
- Infrastructure
- User management
- Security policies
- Integrations
This makes the platform especially suitable for European open-source and Linux strategies.
Can grommunio-chat be combined with other open-source platforms?Show answerHide answer Action: Open answerClose answer
Yes. Especially in combination with:
- XWiki
- OpenProject
- Keycloak
- Linux infrastructures
- PostgreSQL
integrated European communication and collaboration platforms can be built.
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