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Mattermost
Open source, on-premises, Slack alternative
4.0
•
7 reviews
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1 shoutout
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34 followers
Visit website
Team collaboration software
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Remote workforce tools
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Slack apps
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3
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7
Shoutouts
1
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Mattermost shoutouts
Testimonials from top launches
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Andrew Kouri
used this to build
Starlight 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
