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Mattermost

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Open source chat for secure team collaboration

4.4(400)
CommunicationTeam Chat

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Mattermost

Open source chat for secure team collaboration

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What Mattermost does

Mattermost provides team chat software focused on privacy and data control. It is designed for organisations that require a self-hosted alternative to mainstream cloud-based chat tools. As an open-source platform, it allows businesses to run their own instance, customise the environment, and manage their communication infrastructure in-house.

Widely adopted in industries with strict security and compliance needs, Mattermost supports group messaging, file sharing, and integrations with other business systems. Its flexibility appeals to companies that want to avoid vendor lock-in and have the ability to audit or adapt the software to meet internal policies.

What sets it apart

Mattermost stands out by offering open-source, self-hosted chat preferred in regulated and security-focused environments.

Key features

  • Self-hosted deployment
  • End-to-end message encryption
  • Open source codebase
  • Channel-based team chat
  • Access controls management
  • File sharing support
  • Custom integration capability

What teams use it for

  • Host secure internal discussions
  • Meet compliance requirements for chat
  • Integrate chat with in-house apps
  • Retain full control over chat data

Pros

  • +Self-hosted data and infrastructure
  • +Strong security and compliance features
  • +Fully open-source software
  • +Customisable via plugins and APIs

Cons

  • Requires IT resources to deploy and maintain
  • Less seamless on mobile compared to some rivals
  • Administering upgrades can be complex

Integrates with

GitHubGitLabJiraSlack

Our verdict

Mattermost is best for organisations that must keep communications private and on-premises. Companies seeking a simple cloud-hosted chat with minimal setup should consider alternatives.

Frequently asked questions

Does Mattermost offer a cloud-hosted version?+

Mattermost is primarily known for self-hosted deployments, but cloud options are also available. Check their website for details.

Is Mattermost suitable for regulated industries?+

Yes, it is popular among organisations with strict security, privacy, or compliance requirements.

Can Mattermost integrate with other business tools?+

Yes, it supports integrations with developer and project management tools as well as custom integrations via its API.

Where can I find information on pricing or open source editions?+

Consult the Mattermost official pricing page and open source documentation for up-to-date details.

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