LAN Messenger - LAN Messenger is a decentralized UDP IM-style chat client which supports usernames...
Clearbit - Clearbit provides Business Intelligence APIs
MyChat - Secure instant messenger for any network
ZoomInfo - ZoomInfo is a B2B database providing detailed business information on people and companies.
BORGChat - BORGChat is a LAN messaging software program.
InsideView - InsideView aggregates and curates all the company and contact data, news and social insights, and professional connections you need to do business better.