ABBYY Business Card Reader - Scan cards ≡ in a second and manage them everywhere ☁
Thunderbird - Thunderbird is a free email application that's easy to set up and customize - and it's loaded with great features!
MakeBizCards - Easy to use web-app for designing your own business card.
Microsoft Outlook - Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.
Sansan - Sansan provides a internal contact sharing service for companies.
eM Client - eM Client is a fully-featured email client for Windows and macOS with a clean and easy-to-use interface. eM Client also offers features for calendars, tasks, contacts, notes, and chat.