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Slack

Work chat that became infrastructure

Free plan availableCommunicationSince 2013
from $8.75/moVisit slack.com

What Slack is

Channels, huddles, workflows and a very deep integration catalogue. Salesforce-owned; the free tier limits message history.

Slack's Pro plan has read $8.75 a month on every one of the 3 times we have checked this page, from Aug 2026 to Sept 2026. It has not moved while we have been looking. See the source

People use it to

Current offers

Free plan

Free plan, no card required

Ongoing free tier published by the vendor. Limits vary by plan.

Discount

17% off — $7.25/mo instead of $8.75/mo

Both prices read from slack.com on 2026-09-21. Pro plan. Billed for 12 months up front.

Slack alternatives

Other tools in communication that cover similar ground. Full comparison.

Zoom

zoom.us

Video meetings that just work

from $14.16/moFree plan

Microsoft Teams

microsoft.com

Chat and meetings inside Microsoft 365

from $4/moFree plan

Discord

discord.com

Communities with voice always on

from $2.99/moFree plan

Where Slack sits on price

Entry prices across Communication, cheapest first.

What Communication costsEntry price a month, cheapest first

8 of these 8 prices were read from the vendor's own pricing page. The median is taken across the 8 verified prices in Communication.

Slack pricing questions

How much does Slack cost?
Slack starts at $8.75 a month on its Pro plan, billed monthly. That figure was read from slack.com's own pricing page on 21 September 2026.
Does Slack have a free plan?
Yes. Slack publishes an ongoing free tier — not a countdown trial. Limits vary by plan, so check what the free tier covers before you commit.
Is Slack cheaper if you pay annually?
Yes — 17% cheaper. Paying for twelve months up front takes the entry plan from $8.75 a month to $7.25 a month. Both figures were read from the same pricing page in one visit, so the saving is arithmetic rather than a claim.
What is Slack used for?
Channels, huddles, workflows and a very deep integration catalogue. Salesforce-owned; the free tier limits message history. People mainly use it to chat with a team, run huddles, integrate alerts.
What are the best alternatives to Slack?
The closest alternatives in the same category are Zoom, Microsoft Teams, Discord, Google Meet. Microsoft Teams starts lower at $4 a month; Discord starts lower at $2.99 a month; Google Meet starts lower at $7 a month. Zoom, Microsoft Teams, Discord and Google Meet publish a free plan.