- Starting price
- $7.25per user / month, when paying annually
- Pricing
- Free plan
- Website
- slack.com
About Slack
Slack is a central workspace where teams unite people, conversations, and the tools they use to get work done. It serves organizations of all sizes by surfacing discussions, files, and apps in one place to speed alignment and decision-making.

Key Features
In practice, Slack combines messaging, project coordination, and a broad app ecosystem to keep work moving without constant context switching:
Collaboration
Communicate in channels with message history and external partners to keep everyone aligned.
Project management
Prioritize tasks, track progress, and coordinate work from start to finish within Slack.
Integrations
Connects with 2,600+ apps to automate routines and surface tools in the workflow.
Slack AI
Search your company history, catch up on conversations, and get daily recaps of missed messages.
Summary
Best for cross-functional teams, partner-facing organizations, and IT or operations teams coordinating with external partners.
Pricing
View pricingPlans and prices as listed on slack.com as of Sep 24, 2026.
Free
$0 / free forever
- 90 days of message history
- Up to 10 apps
- 1:1 meetings
- 1:1 external messages
- Basic AI
Pro (Annual)
$7.25 / per user / month, when paying annually
- Unlimited message history
- Unlimited app integrations
- Group meetings
- Group external messages
- Basic AI
Pro
$8.75 / per user / month, when paying monthly
- Unlimited message history
- Unlimited app integrations
- Group meetings
- Group external messages
- Basic AI
Business+ (Annual)
$15 / per user / month, when paying annually
- Unlimited message history
- Unlimited app integrations
- Group meetings
- Group external messages
- Advanced AI
Business+
$18 / per user / month, when paying monthly
- Unlimited message history
- Unlimited app integrations
- Group meetings
- Group external messages
- Advanced AI
Enterprise+
Contact sales for pricing / N/A
- Unlimited message history
- Unlimited app integrations
- Group meetings
- Group external messages
- Enterprise-Grade AI