Utilities
Mattermost
Open-source, self-hosted Slack-alternative
Dedicated URL：https://mattermost.geekforpc.com
Official site：https://mattermost.com/
3.3K
downloads
16.5K
views
macOS
Platform
2026-10-30
Updated
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Ratings
4.7
1,207 reviews
Download links
No download link has been collected yet — get the official installer from the vendor site.
Description
Open-source, self-hosted Slack-alternative