Twilio - Brings voice and messaging to your web and mobile applications.
ABBYY Business Card Reader - Scan cards ≡ in a second and manage them everywhere ☁
Nexmo - Nexmo is a simple two way SMS API with global reach and wholesale rates
Sansan - Sansan provides a internal contact sharing service for companies.
BulkSMS - SMS messaging service provider offering two-way SMS communication services.
Haystack - Your new business card.