draw.io - Online diagramming application
ABBYY Business Card Reader - Scan cards ≡ in a second and manage them everywhere ☁
LucidChart - LucidChart is the missing link in online productivity suites. LucidChart allows users to create, collaborate on, and publish attractive flowcharts and other diagrams from a web browser.
Sansan - Sansan provides a internal contact sharing service for companies.
PlantUML - PlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams.
Scanbizcards - Maximize your marketing events ROI with ScanBizCards.