Slack
Slack is a communication product focused on team messaging.
Official product imagery
Slack screenshots
3 official images
Slack desktop app for Windows
Official Slack download-page image of the desktop application, showing the installed collaboration client.
Slack · Slack Technologies, LLC
Slack mobile apps for iOS and Android
Official Slack download-page image of the mobile apps used to keep team conversations accessible away from the desktop.
Slack · Slack Technologies, LLC
Slack product screenshots
Official Slack Media Kit product-screenshot asset representing Slack interfaces across supported devices.
Nearest matches
Alternatives to Slack
- • Both are communication products
- • Shared capabilities: Public and private channels, Direct messaging
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- • Both are communication products
- • Shared capabilities: Public and private channels, Direct messaging
Sign in to rate this match.
- • Both are communication products
- • Shared capabilities: Public and private channels, Direct messaging
Sign in to rate this match.
At a glance
The source product and its three nearest reviewed alternatives.
| Attribute | Slack | Slack |  Discord |  Teams |
|---|---|---|---|---|
| API | Not available | Public API | Limited or plugin-based | Public API |
| License | Proprietary | Proprietary | Proprietary | Proprietary |
| Offline support | Not available | Limited or unavailable | Limited or unavailable | Limited or unavailable |
| Platforms | Desktop, Web | Web, Windows, macOS, Linux, Android, iOS | Web, Windows, macOS, Linux, Android, iOS | Web, Windows, macOS, Linux, Android, iOS |
| Pricing | Freemium | Freemium | Freemium | Freemium |
| Privacy | Not available | Cloud service policy applies | Cloud service policy applies | Cloud service policy applies |
| Self-hosting | Not available | Not available | Not available | Not available |
Reviewed attributes
Facts, inference, and editorial assessment are labelled separately with confidence and review dates.
| Attribute | Value | Basis | Reviewed |
|---|---|---|---|
| API and extensibility | Not available | editorial · low | 2026-08-20 |
| License | Proprietary | editorial · medium | 2026-08-20 |
| Offline support | Not available | editorial · medium | 2026-08-20 |
| Platforms | Desktop, Web | editorial · medium |
Capabilities
- • Public and private channels
- • Direct messaging
- • Audio and video huddles
- • Asynchronous clips
- • Collaborative canvases
- • Task lists
- • Workflow automation
- • Message and file search
- • File sharing
- • Scheduled messages
Common uses
- • Team messaging