RocketReach is a web-based tool which lets you search a name, company or LinkedIn profile URL to retrieve emails. It's a handy halfway point between tools which find email addresses from a company's domain and those which search for specific peoples' emails.

RocketReach finds email, phone, and social media for over 250 million professionals. RocketReach’s powerful API powers external tools and workflows, solving business needs that range from sales enablement and marketing to analytics, and even academic research.