The best alternatives to Zefyr are Hunter, Anymail finder, and Clearbit. If these 3 options don't work for you, we've listed a few more alternatives below.
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Intercom for Startups— Advanced AI-powered features at a 90% discount
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.
Dealfront is the go-to-market platform for Europe that gives sales and marketing teams the data, applications and insights they need to win any European market.
Dealfront is the new brand of Leadfeeder x Ech...