Team chat Category leader

Mattermost

Self-hosted secure collaboration for regulated organizations

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Mattermost is a self-hosted collaboration platform that combines channel-based messaging, calls, workflow automation and AI agents. It can run on private cloud, sovereign cloud, edge or air-gapped infrastructure. Plans are sold through sales, with no prices published.

  • Channels
  • Threaded replies (not listed)
  • Direct and group messages (not listed)
  • Searchable history
  • App integrations
  • Huddles and calls

Also includes

  • Guest access
  • Chat workflows
  • Retention policies
  • Compliance export
  • SSO and provisioning
  • Self-hosting

From the vendor's own site. Not yet verified by SoftScout. A missing item may just mean we haven't confirmed it.

Team chat

Pumble

Free plan· $2.49/user/month billed annually ($2.99 monthly) 1–500 people

Team chat with a free plan, from the makers of Clockify

Key features

  • Channels
  • Threaded replies
  • Direct and group messages
  • Searchable history
  • App integrations
  • Huddles and calls

Team chat Category leader

Rocket.Chat

Contact sales 51–500+ people

Secure messaging, voice and video you can run on your own servers

Key features

  • Channels
  • Threaded replies
  • Direct and group messages
  • Searchable history
  • Huddles and calls

Team chat Category leader

Slack

Free plan· $7.25/user/month billed annually ($8.75 monthly) 1–500+ people

Team messaging organized into channels

Key features

  • Channels
  • Threaded replies
  • Direct and group messages
  • Searchable history
  • App integrations
  • Huddles and calls