We performed a comparison between Mattermost and Slack based on real PeerSpot user reviews.
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Mattermost is ranked 15th in Enterprise Social Software while Slack is ranked 3rd in Enterprise Social Software with 68 reviews. Mattermost is rated 0.0, while Slack is rated 8.4. On the other hand, the top reviewer of Slack writes "A competitive solution that improves collaboration and productivity". Mattermost is most compared with Zulip and Atlassian Confluence, whereas Slack is most compared with SharePoint, Symphony, Atlassian Confluence, Chatter and ChatWork.
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