Mattermost by Mattermost

Mattermost software reviews, alternatives, pricing, & feature 2026

4.4/5 from 118 reviews and ratings
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Collaboration Software

Mattermost reviews and summary

Mattermost is an open-source, self-hostable team communication and collaboration platform. It provides organizations with a secure alternative to mainstream SaaS messaging tools, offering real-time messaging, file sharing, search, and integrations. Because it is open-source, it can be deployed on a company's own infrastructure, giving IT teams complete control over data security, compliance, and customization. It supports communication across web browsers, desktop applications, and mobile devices, enabling teams to collaborate effectively while meeting stringent data governance requirements. This platform is ideal for technology companies, financial institutions, government agencies, and any organization with high security, privacy, or compliance nee...

Best for

This platform is ideal for technology companies, financial institutions, government agencies, and any organization with high security, privacy, or compliance needs that require full control over their communication data and infrastructure.

Vendor Mattermost
Key takeaways

Our verdict

Mattermost is a robust and secure choice for organizations prioritizing data sovereignty and customization, offering feature-rich team collaboration with the transparency and control of open-source software.

Quick facts

Mattermost at a glance

Overall rating 4.4/5
Reviews 118
Vendor Mattermost
Ratings

Mattermost ratings

Ratings in this section summarize available rating data. Software reviews are shown separately when users submit reviews.

4.4

/
5

118 reviews and ratings

Rating summary

Star distribution will appear after software reviews are submitted.

Decision notes

Mattermost pros and cons

Potential strengths

  • Open-source and self-hostable, giving organizations complete control over their communication data and infrastructure.
  • Provides messaging, file sharing, and integrations comparable to mainstream collaboration tools, without sending data through third-party servers.
  • Suitable for organizations with high security, privacy, or compliance needs such as financial institutions and government agencies.

Points to verify

  • Evaluate the infrastructure and IT resources required to self-host Mattermost, including server maintenance and updates.
  • Test integration options with your existing toolchain to confirm the platform connects with the tools your team uses daily.
  • Review the mobile app experience to ensure remote and on-the-go team members can participate fully.
Buyer fit

Who uses Mattermost?

This platform is ideal for technology companies, financial institutions, government agencies, and any organization with high security, privacy, or compliance needs that require full control over their communication data and infrastructure.

Feature research

Mattermost features

These are common features buyers compare in Collaboration Software. Product-specific availability should be confirmed with the vendor.

Brainstorming

Helps buyers judge whether brainstorming fits the way their team handles collaboration work.

Calendar Management

Helps teams coordinate dates, availability, assignments, and follow-up without moving scheduling work into a separate system.

Contact Management

Keeps person or account details tied to the work they affect, instead of leaving context scattered across notes and inboxes.

Content Management

Keeps important files and records close to the workflow, with easier search, review, and handoff between teams.

Discussions / Forums

Helps buyers judge whether discussions or forums fits the way their team handles collaboration work.

Document Management

Keeps important files and records close to the workflow, with easier search, review, and handoff between teams.

Project Management

Helps buyers judge whether project management fits the way their team handles collaboration work.

Real Time Editing

Helps buyers judge whether real time editing fits the way their team handles collaboration work.

Task Management

Makes handoffs and approvals easier to follow, especially when several people need to move work from request to resolution.

Version Control

Helps buyers judge whether version control fits the way their team handles collaboration work.

Video Conferencing

Helps buyers judge whether video conferencing fits the way their team handles collaboration work.

Compare

Mattermost alternatives

Compare Mattermost with other Collaboration Software tools that buyers often evaluate.

Basecamp by Basecamp

4.3 (13.4K)

Basecamp is a practical choice when your team needs combining project tracking with team coordination and less workflow switching. It tends to work best when ownership, review rhyt...

Microsoft 365 by Microsoft

4.6 (12.4K)

Microsoft 365 is a practical choice when your team needs a connected business productivity workflow and less workflow switching. It tends to work best when ownership, review rhythm...

Zoom Meetings by Zoom Video Communications

4.6 (12K)

Zoom Meetings is a practical choice when your team needs quick, reliable team meetings across locations and less workflow switching. It tends to work best when ownership, review rh...

Jira by Atlassian

4.4 (11.3K)

Jira is a practical choice when your team needs structured issue tracking and sprint planning and less workflow switching. It tends to work best when ownership, review rhythm, and...

Asana by Asana

4.4 (10.4K)

Asana is a practical choice when your team needs task and project coordination and less workflow switching. It tends to work best when ownership, review rhythm, and sharing rules a...

Microsoft Teams by Microsoft

4.4 (7.8K)

Microsoft Teams helps teams in collaboration software by giving them one practical place to keep the day-to-day work moving. It is most useful when ownership, handoff points, and d...

ConnectWise Control by ConnectWise

4.7 (1.8K)

ConnectWise Control helps teams in collaboration software by giving them one practical place to keep work moving. It is most useful when ownership, handoffs, and deadlines are alre...

Software reviews

Mattermost software reviews

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FAQ

Mattermost FAQs

Yes. Mattermost is an open-source team communication platform that can be deployed on your own infrastructure.

Yes. Mattermost is designed to be self-hosted, giving organizations full control over their data, security, and compliance.

Mattermost provides real-time messaging, file sharing, search functionality, and integrations similar to mainstream team communication tools.

Mattermost is accessible via web browsers, desktop applications, and mobile devices for Android and iOS.

Mattermost is popular with technology companies, financial institutions, government agencies, and any organization with high security or compliance needs.

Yes. Mattermost supports integrations with development, operations, and productivity tools, though you should verify specific integrations for your stack.
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