The best alternatives to Slakster are Slack, Hunter, and RocketReach. If these 3 options don't work for you, we've listed a few more alternatives below.
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Slack is an application that helps teams communicate and work together by combining messaging, file sharing, and app integrations in one place. It makes it easy for teams to stay connected and work efficiently, whether they are in the office or working remotely.
Hunter is the leading solution to find and verify professional email addresses. Start using Hunter and connect with the people that matter for your business.