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Mattermost

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368 reviews
  • 1 profiles
  • 3 categories
Average star rating
4.3
Serving customers since
2016

Profile Name

Star Rating

227
110
19
7
5

Mattermost Reviews

Review Filters
Profile Name
Star Rating
227
110
19
7
5
GD
giorgi d.
04/30/2026
Validated Reviewer
Verified Current User
Review source: Organic

Effortless Communication with Stellar Flexibility

I use Mattermost at work for inside company communication, and I think it's really easy to use. I like how it can send and receive every type of information, like text, photos, files, and zip files, which is super handy. It's fast to use and I can choose between the desktop version, web, or mobile app, and they are all comfortable to use. I have also connected it with my job's mailbox, allowing me to save every chat with my boss in my mailbox. The initial setup was easy, and everything is simple to find in the app. I think Mattermost is one of the best, and I can't remember any issues.
Victor S.
VS
Victor S.
04/30/2026
Validated Reviewer
Review source: G2 invite
Incentivized Review

Flexible Self-Hosted Control, But UI and Plugin Ecosystem Feel Behind

What I appreciate most about Mattermost is the level of control and flexibility it gives me. Because I run it self-hosted, I can keep everything within my own infrastructure, so performance, privacy, and compliance stay in my hands instead of being tied to a third-party SaaS environment. For engineering teams, that kind of autonomy is a genuine advantage. I also value the developer-friendly workflow. Channels and threads remain easy to follow even when conversations get busy, and integrations tend to behave predictably. With webhooks, slash commands, and custom bots, it’s straightforward to tailor Mattermost to internal workflows rather than forcing the team to fit a rigid tool.
TH
Tammy H.
04/28/2026
Validated Reviewer
Review source: Organic

Streamlined Team Communication with a Few Notification Hiccups

I like Mattermost for work since it provides a clean interface, making it easy to navigate. The ability to use chat is good and the platform is quick and responsive. The interface is pretty easy to use, with standard menus that simplify finding what I need. Setting it up was fairly simple and straightforward.

About

Contact

HQ Location:
Palo Alto, CA

Social

@mattermosthq

What is Mattermost?

Mattermost is the leading collaboration platform for mission-critical work. We serve national security, government, and critical infrastructure enterprises, from the U.S. Department of Defense, to global tech giants, to utilities, banks and other vital services. We accelerate out-of-band incident response, DevSecOps workflows, mission operations, and self-sovereign collaboration to bolster the focus, adaptability, and resilience of the world’s most important organizations. Our enterprise software and single-tenant SaaS platforms are built to meet the custom needs of rigorous and complex environments while offering a secure and unrivaled collaboration experience across web, desktop, and mobile with channel-based messaging, file sharing, audio calling, and screen share with integrated tooling, workflow automation, and AI assistance.

Details

Year Founded
2016
Website
mattermost.com