Messenger Video Calls - Facebook Messenger, now with HD video calls
Clearbit - Clearbit provides Business Intelligence APIs
WhatsApp - WhatsApp Messenger: More than 1 billion people in over 180 countries use WhatsApp to stay in touch with friends and family, anytime and anywhere.
ZoomInfo - ZoomInfo is a B2B database providing detailed business information on people and companies.
Voiptime Cloud Call Center - Cloud call center & telemarketing solution
InsideView - InsideView aggregates and curates all the company and contact data, news and social insights, and professional connections you need to do business better.