IRC is from 1988. Mattermost is from the future.

More than a tool for text-based communication. Mattermost is a powerful collaboration suite built specifically for modern developer teams.

Developer teams prefer Mattermost to IRC

Increase developer productivity with a unified collaboration suite

Mattermost brings together full-featured messaging, deep integrations with best-of-breed developer toolchains, and powerful workflow automation.

As an open source solution, Mattermost is yours to customize. Unlike IRC, you can connect Mattermost with the tools your team uses every day to streamline collaboration and accelerate software delivery.

Purpose-built for developer collaboration


Kanban-style boards for teams to manage tasks, hit milestones, and drive alignment across complex workflows.


Group and direct messaging with all the features your team loves and developer tool integrations that turn your channels into collaborative CLI.


Checklist-based workflow management for when your team’s processes require collaboration and structure.

Why developer teams choose Mattermost over IRC

Powerful collaboration features

  • Collaborate more effectively with features built specifically to speed up developer workflows.
  • Customize your workspace to your specific needs by extending Mattermost with integrations

For developers, by developers

  • Accomplish more with a platform designed specifically for modern developer teams.
  • Code syntax highlighting, Markdown formatting, slash commands, extensive integrations, and more — not just plain text!

Enterprise-grade security

  • Keep sensitive data protected with the only collaboration solution that gives you complete data control and sovereignty.
  • Deploy Mattermost behind your firewall or host it in a single-tenant private cloud for superior security.

A full-featured collaboration platform designed for developers

Your tools should be tailored to fit the way your team works. Unlike IRC, Mattermost gives you the ability to customize, extend, and build bespoke integrations — including with IRC. Plus, you get access to a vibrant open source community.

  • 25,000+ GitHub™ Stars
  • 30,000+ total contributions
  • 4,000+ contributors

The OSS CommunityHeart iconMattermost

Built for high-performing engineering teams

Mattermost goes beyond basic text communication with collaboration features designed to help developer teams with up to tens of thousands of concurrent users build code, execute sprints, deploy releases, and manage outages and support escalations — all from one place.

  • Boards for project and product teams that need to manage deliverables, hit milestones, and stay aligned.
  • Channel-based collaboration with powerful automation and tool integrations to raise messaging to the level of a CLI.
  • Playbooks for structured workflows that require repeatable execution with predictable outcomes.

Full-featured messaging — and a whole lot more

See Pricing Plans »

Reduce costs and reclaim time

Save as much as 70% on developer tools while helping your team reclaim 39% of their time for rapid and sustained ROI.

Build the perfect tool for the job

Leverage Mattermost’s open source codebase to build the exact tool your team needs instead of relying on an inflexible, proprietary solution designed for general business users.

Secure your data

Safeguard sensitive company data and proactively secure your systems with your own IT team.

Don’t just take our word for it

Try Mattermost for free.