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Slack

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Read 397 Slack reviews and testimonials from customers, explore 173 case studies and customer success stories, and watch 32 customer videos to see why companies chose Slack as their Team Collaboration Software

Slack is building the platform that connects teams with the apps, services, and resources they need to get work done. Launched in 2014, Slack is the fastest growing business application in history. Millions of people around the world use Slack to bring their teams together, make sense of their work, and drive their business forward.

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  • 397 Testimonials View
  • 173 Case Studies View
  • 32 Customer Videos View
Customer Rating Review Score based on 5557 reference ratings
4.8/5.0 (5557)
  • Fall 2026 Market Leader Internal Communications Software

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    Workplace is a collaborative platform run by Facebook. It is built on Facebook's powerful systems that keep more than a billion people's information safe. It connects everyone in your organization to turn ideas into action and get more done.

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397Testimonials

  • "People were very quickly sold into the idea of getting into Slack because it was just much more productive, and you could interact with a team that was miles away …

  • “We’ve seen people outside of their department or function communicating together in Slack in ways they wouldn’t have in the past. There’s a lot of value in being able to …

  • "As Wayfair scales globally, we want to find information quickly so people can spend less time catching up and more time delivering. With Slack AI’s compelling features, we’re empowered to …

396 more testimonials currently locked

173 Case Studies

  • How Grammarly improves the world’s writing with help from Slack

  • How Stripe accelerates work with automations in Slack, Sales Cloud and Slack …

  • TD Ameritrade scales secure collaboration across 10,000 employees with Slack

172 more case studies currently locked

32 Customer Videos

  • Royal Bank of Canada - Customer Success Story (Martin Wildberger - Executive Vice President of Innovation and Technology)
  • Increasing Productivity with Slack
  • Resolving complex issues faster with Slack
31 more videos currently locked

Additional Slack Information & Resources

Read Slack Reviews, Testimonials & Customer References from 397 real Slack customers.

Browse Slack Case Studies, Customer Success Stories, & Customer References from 173 businesses that use Slack.

Watch Slack Customer Videos to learn why 32 businesses chose Slack.