Open source, on-premises, Slack alternative
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Mattermost 1.0
Alternative to proprietary SaaS messaging, Mattermost brings team communication into one place making it searchable and accessible anywhere. Written in Golang & React and run as a production-ready Linux binary under an MIT license with either MySQL or Postgres
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Mattermost reviews

(Mattermost is rated 5/5 based on 6 reviews)
John Dodini
Univention GmbH
Ajay Tripathi
, , and 3 others have reviewed Mattermost.
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