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Self-hosted alternative to Slack

Self-hosted alternative to Slack

Since our very first day in 2015, mattermost has never wavered on its goal to transform the enterprise collaboration market by delivering the most compelling open source, high-trust messaging tools for security-conscious enterprises and developers. we’ve grown from our very first customer to thousands of companies downloading our messaging platform every month.
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Total raised

$20M

Funded over

1 round

Latest round

Series A (Feb 2019)