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Mattermost

Mattermost is an open-source team communication tool for work chat.

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Mattermost

Best Features, Pricing & User Reviews

What is Mattermost?

Mattermost is a team communication tool for team collaboration. It is an open-source tool that makes it more attractive for teams to download and explore, thanks to the more secure transparency of the tool. Many people consider it a good open-source Slack alternative.