ABBYY Business Card Reader - Scan cards ≡ in a second and manage them everywhere ☁
Mailtrack.io - The best email tracking solution I've found. Free
Sansan - Sansan provides a internal contact sharing service for companies.
ReadNotify - ReadNotify enables the user to know when email is sent and the reciever reads the email.
Haystack - Your new business card.
Bananatag - Find out what happens to your emails after you press send! Add email tracking, attachment tracking, email scheduling and templates to your daily emails.