What is Slack?
Slack is a business messaging platform organized into channels for teams and projects. It supports direct messages, voice huddles, video calls, workflows, and thousands of app integrations. Free tier retains recent message history.
Slack's Core Features
- Channels
- Huddles and calls
- App integrations
- Workflow builder
- Enterprise Grid
Pros
- + Free plan keeps messages searchable for 90 days
- + 2,600+ apps in the Slack App Directory
- + Huddles provide real-time audio/video with screen sharing
- + Slack Connect for messaging external organizations
Cons
- – Free plan history limited to 90 days
- – Free plan allows up to 10 app integrations
- – Free plan huddles and Slack Connect are 1:1 only
Best suited for
Teams wanting organized channel-based communication, Small teams starting free and scaling to paid plans, Orgs needing Slack Connect with external partners