Mattermost

Name: Mattermost
Brand: Mattermost

Secure, self-hosted team messaging and collaboration.

softwareMessaging Appsteam chatself-hosted open-source

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Our Verdict

Best for

Enterprises and dev teams needing self‑hosted, customizable chat

Skip if

Teams without infrastructure or who want polished UI out‑of‑the‑box

What is Mattermost?

Mattermost is an open-source, self‑hostable platform that lets teams communicate in real time while keeping data under their own control. It offers channels, direct messages, and rich media sharing, all designed for privacy‑focused organizations. The platform integrates with developer tools, supports custom plugins, and can be deployed on‑premises or in the cloud, making it a flexible alternative to commercial chat solutions.

SpecificationsAI-estimated

open source✅ Yes

api available✅ Yes

support optionsCommunity forum, Email, Paid enterprise support

key integrationsGitHub, GitLab, Jira, Jenkins, Azure DevOps

Key Features of Mattermost

Deploy Mattermost on your own servers or private cloud for full data control.

Create public and private channels with threaded conversations to keep discussions organized.

Share files, images, and code snippets with unlimited storage options in self‑hosted deployments.

Integrate with GitHub, GitLab, Jira, and CI/CD pipelines to surface development updates directly in chat.

Use built‑in compliance and retention policies to meet regulatory requirements.

Leverage a robust REST API and webhooks for custom automation and third‑party extensions.

Access native desktop apps for Windows, macOS, Linux and mobile apps for iOS and Android.

Use Cases for Mattermost

DevOps Collaboration

Centralize build alerts, incident response, and deployment notifications in dedicated channels.

Remote Team Communication

Provide secure, real‑time chat for distributed employees without exposing data to third parties.

Compliance‑Heavy Industries

Enforce message retention and audit logs to satisfy legal and regulatory standards.

Custom Workflow Automation

Build bots and integrations via the API to automate routine tasks and notifications.

Pros & Cons of Mattermost

Pros

Full data ownership with self‑hosting options.
Open-source code allows extensive customization.
Rich integration ecosystem for developer tools.
Cross‑platform clients ensure accessibility.

Cons

Self‑hosting requires infrastructure and maintenance expertise.
Advanced enterprise features are behind a paid tier.
User interface can feel less polished than some commercial rivals.

Frequently Asked Questions

Is Mattermost free to use?

Yes, the core self‑hosted edition is open source and free; paid plans add enterprise features and support.

Can I run Mattermost in the cloud?

Mattermost offers a hosted SaaS option, but you can also deploy it on any cloud provider you control.

What integrations are available out of the box?

Built‑in integrations include GitHub, GitLab, Jira, Jenkins, and many others; additional plugins can be added via the marketplace.

Does Mattermost have mobile apps?

Yes, native iOS and Android apps provide full chat functionality on mobile devices.

Pricing Overview

View full pricing →

Freemium

Detailed plans are not listed. Visit the official website for pricing information.

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