Lead Forensics - B2B website analytics and lead generation.
Freshdesk - Freshdesk is a cloud-based customer support software that lets you support customers through traditional channels like phone and email, social channels like Facebook and Twitter, and your own branded community
BuiltWith - Find out the technology behind websites
Zoho Desk - Industry's first context-aware Helpdesk Software
FindThatLead Prospector - Feed your sales team with daily leads.
Salesforce Service Cloud - Service Cloud integrates customer service with social networks and provides a self-service customer portal and knowledge base system.