Overview
A messaging platform for teams organised around channels, with huddles and app integrations. It is primarily aimed at teams of any size that want organised real-time communication.
Key features
Channels and direct messages
Huddles (audio/video)
File sharing
Workflow builder
App directory
Best-fit audience & common use cases
Teams of any size that want organised real-time communication.
Business sizes: Freelancers · Small business · Mid-market · Enterprise
Advantages & limitations
Advantages
- Very large integration ecosystem
- Familiar to many teams
Limitations
- Free plan limits message history
- Can encourage notification overload
Pricing
Free plan
Free plan · verified Nov 15, 2026- Free plan (limited message history)
- Pro: $7.25 per user/month billed annually ($8.75 billed monthly)
Verified on Nov 15, 2026 · official pricing page
Integrations & supported platforms
Integrations (selection)
Platforms
Editorial review
Slack is a messaging platform for teams organised around channels, with huddles and app integrations. Based on our research of official materials, it is best suited to: teams of any size that want organised real-time communication. Its main strengths are very large integration ecosystem, familiar to many teams. Buyers should weigh that free plan limits message history; can encourage notification overload. Confirm current plans and limits on the official website before purchasing.
Research methodology
Desk research of the vendor's official website, documentation and public pricing pages. This product has not been hands-on tested by Orbit & Metric; no ease-of-use score is given.Sources
- https://slack.com (official website — verify and add access date)
Verification status
- Official website link checked on Nov 15, 2026
- Pricing verified against the official pricing page on Nov 15, 2026
- Description, features & integrations summarised from vendor materials; detailed review pending
Orbit & Metric Editorial Team · Last updated Nov 14, 2026
Alternatives to Slack
Aircall
A cloud phone system for sales and support teams with CRM and help desk integrations.
- Cloud phone numbers
- Call routing and IVR
- Call recording
Zoom Workplace
A collaboration platform best known for video meetings, plus chat, phone and webinars.
- Video meetings
- Team chat
- Webinars (add-on)
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