What are some alternatives?
When comparing ZoomInfo and Lead411, you can also consider the following products
DiscoverOrg - DiscoverOrg is an IT sales intelligence platform providing technology marketers access to data, IT org charts, and real time projects.
InsideView - InsideView aggregates and curates all the company and contact data, news and social insights, and professional connections you need to do business better.
LinkedIn Sales Navigator - Sales tool for LinkedIn users.
DocSend - DocSend makes business communication with documents more effective and actionable by providing...
Rapportive - Rich contact profiles inside Gmail
Clearbit - Clearbit provides Business Intelligence APIs