Hunter - Find all the email addresses related to a domain
BetaList - BetaList provides an overview of upcoming internet startups. Discover and get early access to the future.
Snov.io - More leads. More sales. More revenue.
Loot - Loot is a bank account ledger.
Apollo.io - Apollo’s predictive prospecting, sales engagement, and actionable analytics help the teams to reach its full revenue potential.
StartupBase - Community of makers & early adopters