Team chat Category leader

Rocket.Chat

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

Visit Rocket.Chat

Rocket.Chat is a messaging, voice, video and app platform for defense, public sector and critical infrastructure users. It deploys on-premises, in sovereign cloud or air-gapped, and offers Matrix and XMPP federation. A free self-managed Starter workspace is offered; commercial plans are quoted by sales.

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

Also includes

  • Bots and slash commands
  • Screen sharing
  • Retention policies
  • Compliance export
  • Self-hosting
  • End-to-end encryption
  • AI summaries
  • Message translation
  • Free plan

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

Team chat Category leader

Mattermost

Contact sales 51–500+ people

Self-hosted secure collaboration for regulated organizations

Key features

  • Channels
  • Searchable history
  • App integrations
  • Huddles and calls

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

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