Slack

Freemium Top pick

The leading team chat app with channels, huddles and thousands of integrations.

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Overview

Who it's for

Most teams that want fast internal communication.

Key features

Channels and threads
Huddles (audio/video)
Slack Connect
Workflow Builder
Thousands of integrations

Pros

Best-in-class integrations
Great user experience
Huge ecosystem

Cons

Free plan hides older history
Per-user pricing adds up

Compare Slack

Slack vs Microsoft Teams

Slack alternatives

Discord

Team chat apps

Voice, video and text chat for communities and groups.

Google Chat

Team chat apps

Team messaging built into Gmail and Google Workspace.

Mattermost

Team chat apps

Open-source, self-hostable team chat for security-conscious organisations.

Microsoft Teams

Team chat apps

Chat, meetings and calls integrated with Microsoft 365.

Rocket.Chat

Team chat apps

Open-source communication platform you can host yourself.