Lead Forensics - B2B website analytics and lead generation.
Synthesio - Synthesio is a social intelligence tool or a marketing software that is specially made for the purpose of social media monitoring and social analytics.
BuiltWith - Find out the technology behind websites
Swift Social - All-in-One Social Media Growth and Management Tool
FindThatLead Prospector - Feed your sales team with daily leads.
LeadsRX - LeadsRX is a marketing attribution software that gives marketers insights into which advertising campaigns result in conversions.