Slack
Where work happens — messaging for teams.
About Slack
Slack is the leading team messaging platform, organizing conversations into channels, threads, and DMs. It serves as the communication hub for millions of teams with deep app integrations, workflow automation, Huddles for voice/video, and a massive app directory.
Key Features
- Channel-based messaging
- Threads for focused discussions
- Huddles (voice and video calls)
- Workflow Builder (no-code automations)
- 2,600+ app integrations
- File sharing and search
- Slack Connect (cross-organization channels)
- Canvas (collaborative documents)
Pros
- Industry standard for team communication
- Massive integration ecosystem
- Powerful search and organization with channels
- Workflow Builder adds automation capabilities
Cons
- Can be overwhelming and distracting with many channels
- Expensive per-user pricing at scale
- Free plan now limits message history to 90 days
Best Use Cases
- Team communication and messaging
- Cross-team collaboration
- Developer workflow coordination
- Remote team daily standups
Slack Alternatives
Looking for alternatives to Slack? See all Slack alternatives →
Quick Info
- Website
- slack.com
- Founded
- 2013
- Company
- 5000+
- Pricing
- freemium
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