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Mattermost is an open source, self-hosted Slack-alternative.
Mattermost is self-hosted team communication service bringing messaging and file sharing into one place, accessible across PCs and phones, with archiving and search.
Mattermost is an open source, self-hosted Slack-alternative.
Mattermost is self-hosted team communication service bringing messaging and file sharing into one place, accessible across PCs and phones, with archiving and search.