BuiltWith - Find out the technology behind websites
Teachable - Create and sell beautiful online courses with the platform used by the best online entrepreneurs to sell $100m+ to over 4 million students worldwide.
Lead Forensics - B2B website analytics and lead generation.
Clever - syncing between education applications for K-12 schools
FindThatLead Prospector - Feed your sales team with daily leads.
Claroline - Claroline is a collaborative eLearning and eWorking platform.