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Mattermost

Mattermost

Open source, on-premises, Slack alternative

4.0
•7 reviews•1 shoutout•

34 followers

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Team collaboration software•Remote workforce tools•Slack apps
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© 2025 Product Hunt
Company Info
mattermost.org
Mattermost Info
Launched in 2015View 3 launches
Forum
p/mattermost
Awards
Mattermost 1.0 was ranked #5 of the day for October 15th, 2015
Mattermost was ranked #5 of the day for June 24th, 2015
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Mattermost shoutouts

Testimonials from top launches

Trending
Starlight Partner Program
Andrew Kouri
Andrew Kouri
used this to buildStarlight Partner ProgramStarlight Partner Program
(78 points)
Really opposed to software with strong vendor lock-in. Mattermost gives us all the benefits of Slack, but open-source.
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4mo ago