Slack

Internal Communications, Collaboration
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TL;DR

Slack is a group messaging and team collaboration app that simplifies communication for businesses with channels, huddles, search, and deep integrations.

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Key Facts

VendorSalesforce
Best fit
SMBMid-MarketEnterprise
Compliance
SOC 2 certifiedISO 27001 certifiedGDPR certified

Free version: Free plan with 90-day message history and 10 app integrations

Free trial: 14-day free trial of the paid Pro plan, no credit card required

Pricing

Starting at $7.25/user/month

Free TierFree TrialSaaSMacWindowsLinuxiOSAndroid

Free

$0
per month
Cloud
Most Popular

Pro

$7.25
per month / per user
Cloud

Business+

$12.50
per month / per user
Cloud

Enterprise Grid

Contact Sales
per month / per user
Cloud

Details

What is Slack?

Slack is the team messaging platform that replaces internal email with organized channels for projects, teams, and topics. It combines instant messaging, voice huddles, clips, and over 2,400 app integrations in a single digital HQ.

Key Features

  • Channel-based messaging for structured team discussions
  • Audio & video Huddles for quick check-ins with screen sharing
  • Slack Connect for collaborating with external clients and partners
  • Workflow Builder for no-code task automation
  • Deep search across messages, files, and channels

Who is it for?

  • Remote and hybrid teams needing instant team communication
  • Companies relying on multiple SaaS tools that want a central hub
  • Cross-functional teams collaborating with clients or external vendors

Who is it NOT for?

  • Solo freelancers where channel messaging is overkill
  • Teams looking for dedicated project management or task tracking

The Bottom Line

If your team has outgrown internal email, Slack is the definitive communication hub. The app ecosystem alone justifies the investment by unifying notification streams across your business.

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