Mattermost

Open-source Slack Alternative for secure team communication

mattermost.com
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Launched
—
Category
Productivity
Sub-Category
Team Communication
Pricing Model
Freemium
Starts From
Free
Platforms
Web, iOS, Android, macOS, Windows, Linux
Founder
Ian Tien and Corey Hulen

Target Audience

Startup teamsTechnical teamsDevOps teamsSecurity teamsEnterprise teams

What is Mattermost

Mattermost is an open source collaboration platform for technical and operational teams with messaging, calls, workflows, and integrations. It supports self hosted and cloud deployments.

Overview

Mattermost is a collaboration platform built around channel-based messaging, file sharing, threaded discussions, audio calls, screen sharing, and search. It is aimed particularly at technical, operational, security, government, and other teams that need control over their collaboration infrastructure. The platform has an open-source Team Edition and commercial editions with additional enterprise capabilities. Its marketplace includes integrations for tools such as GitHub, GitLab, Jira, ServiceNow, Zoom, and Microsoft Teams.

Who should use it

  • You want to self-host team communication on infrastructure you control
  • You need messaging, file sharing, threads, calls, and screen sharing
  • You are building DevOps workflows around developer and operational tools
  • You need REST APIs, webhooks, plugins, and slash commands for customization
  • You need collaboration software designed for security-sensitive environments

Key Features

  • Channels, direct messages, and threaded discussions
  • File sharing with link and media previews
  • 1:1 audio calls and screen sharing
  • Playbooks for workflow and checklist management
  • Boards for organizing projects and work
  • REST API for custom integrations and automation
  • Plugins, webhooks, and slash commands
  • Self-hosted deployment and enterprise controls

Integrations Supported

GitHubGitLabJiraMicrosoft TeamsServiceNowZoomPagerDutySplunk

Frequently Asked Questions

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