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Slack is used for workplace communication through channels, direct messages, huddles, integrations, and workflow automation.
Yes. The pricing information reviewed July 20, 2026 lists a Free plan at $0, subject to its current limits and terms at https://slack.com/pricing.
As reviewed July 20, 2026, Pro is $10 per user per month billed monthly or $8.75 billed annually. Business+ is $18 billed monthly or $15 billed annually. Enterprise+ requires a custom quote. Verify current pricing at https://slack.com/pricing.
Yes. Slack combines channel and direct messaging with huddles for live audio or video communication.
Yes. Slack supports apps, APIs, and workflow automation, although availability, permissions, and limits depend on the integration, plan, and workspace configuration. Developer documentation is available at https://api.slack.com.
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