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XenRooms vs Mattermost
Mattermost is a team chat you run on your own servers, aimed at technical and high-security teams; its prices are on request and shared channels connect Mattermost servers in the Enterprise plan. XenRooms runs in our cloud in Germany – free for up to ten people – or on your servers with Xenaxio, and connects to any Matrix server.
| Mattermost | XenRooms | |
|---|---|---|
| Channels, threads, direct messages | Yes | Yes |
| On your own servers | Yes | with Xenaxio On-Premise |
| Managed cloud | single-tenant, Enterprise | in Germany, from Free |
| Chat with other companies | shared channels between Mattermost servers (Enterprise); guest accounts | any Matrix server, your admin decides |
| Free plan | limited edition for evaluation | up to 10 people, 5 GB |
| Published prices | on request | Free 0 €; paid on request |
| AI “What did I miss?” | AI agents, bring your own model | paid plan and Xenaxio |
| Open standard | own protocol | Matrix |
| Air-gapped and classified operation | Enterprise Advanced | on-premise without outside connection |
As of 31 October 2026, from the providers’ own websites. Features and plans change; please check the details there.
XenRooms fits better if …
- You want to start in a managed cloud in Germany, free for a small team
- Partners are on other chat servers – Matrix connects them
- Chat should sit next to email, calendar and files in Xenaxio
Mattermost fits better if …
- You need playbooks and DevOps workflows in the chat
- You run classified or air-gapped networks and want a vendor built for that
More comparisons: XenRooms vs Slack · XenRooms vs Microsoft Teams · XenRooms vs WhatsApp · XenRooms vs Element · Overview
Your team chat on a server of its own?
Free for up to 10 people, in a minute. For larger teams or your own servers we set up XenRooms for you.