What are some alternatives?
Elucify - A completely free software tool that uses crowdsourced data to find business email addresses
KiteDesk - Use KiteDesk sales prospecting software to generate leads from our premium data marketplace. Then reach prospects and build a sales pipeline with organized Lead Lists. Syncs direct with CRM too!
HubSpot Marketing Free - Free lead capture and marketing tools.
BuiltWith - Find out the technology behind websites
Lead Forensics - B2B website analytics and lead generation.
FindThatLead - FINDTHATLEAD the ultimate tool for finding emails of people's profiles in linkedin . FindThatLead is the most straightforward way of finding leads of professionals from any sector to help you grow your business, career and professional .