Slack

Team chat in channels

Free plan, with paid plansCommunication

About Slack

Slack is a team chat app. Talk by topic in channels, share files, and connect the other apps you use.

Slack is best for companies that want team chat with many app connections. Slack has a free plan, and paid plans add more. It works on the web, Windows, Mac, Linux, iOS and Android.

Features

  • Channels

    Organise talk by team or topic.

  • Huddles

    Start a quick audio call.

  • App connections

    Bring alerts from other tools.

Questions about Slack

What is Slack?

Slack is a team chat app. Talk by topic in channels, share files, and connect the other apps you use.

Who is Slack best for?

Slack is best for companies that want team chat with many app connections.

What are the main features of Slack?

Its main features include Channels, Huddles and App connections.

Is Slack free?

Slack has a free plan, and paid plans add more. Check its website for current limits and prices.

What platforms does Slack work on?

Slack works on the web, Windows, Mac, Linux, iOS and Android.

What are the best alternatives to Slack?

Popular alternatives include Mattermost, Discord and Element. Compare them on the features you need most.

How do I choose a team chat app?

Compare channels, search and calls, what it connects to, and how long it keeps your message history.

Alternatives to Slack

Mattermost

Self-hosted team chat

Open source · Web, Windows, Mac +3

Discord

Voice and text communities

Free plan · Web, Windows, Mac +3

Element

Secure chat on Matrix

Free plan · Web, Windows, Mac +3

Rocket.Chat

Self-hosted team messaging

Free plan · Web, Windows, Mac +3

Zulip

Threaded team chat

Free plan · Web, Windows, Mac +3

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