ABBYY Business Card Reader - Scan cards ≡ in a second and manage them everywhere ☁
Community Questions for Confluence - Keep questions and answers in one place with an engaging, community-driven Q&A discussion forum, powered by Confluence
MakeBizCards - Easy to use web-app for designing your own business card.
Stack Overflow for Teams - Everything you love about Stack Overflow in a private space.
Sansan - Sansan provides a internal contact sharing service for companies.
Question2Answer - A Q&A site helps an online community to share knowledge.