What I like best about Mattermost is the control it gives you without sacrificing collaboration. It delivers fast, reliable team messaging while letting organizations self-host, customize, and meet strict security or compliance needs. Channels keep conversations focused, integrations plug neatly into DevOps workflows, and everything feels purpose-built for teams that value transparency, ownership, and serious work over noisy chat. Review collected by and hosted on G2.com.
What I dislike about Mattermost is that it can feel less polished out of the box compared to some mainstream chat tools. Initial setup and administration require technical effort, and advanced features often need configuration or plugins to shine. Review collected by and hosted on G2.com.
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