2026 Best Software Awards are here!See the list
Product Avatar Image

Mattermost

Show rating breakdown
363 reviews
  • 1 profiles
  • 3 categories
Average star rating
4.3
Serving customers since
2016

Profile Name

Star Rating

226
107
18
7
5

Mattermost Reviews

Review Filters
Profile Name
Star Rating
226
107
18
7
5
Maximilian C.
MC
Maximilian C.
Team Lead Recruitment bei jungwild.io 👉 Personalberatung für nachhaltige Matches 🔥 Wir machen Recruiting besser – durch Qualität, Transparenz & echte Wertschätzung
03/16/2026
Validated Reviewer
Verified Current User
Review source: Organic

Great secure alternative to Slack for tech-heavy teams

The biggest advantage of Mattermost is the ability to self-host it. Since data privacy is a huge concern for us, having full control over our chat data on our own servers is a gamechanger. The interface feels very familiar if you've used Slack before, so onboarding the team was incredibly easy. I also really appreciate the deep integrations with developer tools like Jira and GitLab.
Niranjana Devi D.
ND
Niranjana Devi D.
02/18/2026
Validated Reviewer
Verified Current User
Review source: G2 invite
Incentivized Review

Easy Direct Messaging, Quick Group Chats, and Fast File Sharing

Direct messaging is easy, and creating a group chat with users is quick and straightforward. File sharing is also fast, which makes it convenient to send documents without delays.
AS
Abir S.
02/02/2026
Validated Reviewer
Verified Current User
Review source: G2 invite
Incentivized Review

Fast, Secure Team Messaging with Full Control and DevOps-Friendly Integrations

What I like best about Mattermost is the control it gives you without sacrificing collaboration. It delivers fast, reliable team messaging while letting organizations self-host, customize, and meet strict security or compliance needs. Channels keep conversations focused, integrations plug neatly into DevOps workflows, and everything feels purpose-built for teams that value transparency, ownership, and serious work over noisy chat.

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