Microsoft Outlook - Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.
FullContact - Put the power of full contact information into your web or mobile apps.
Fantastical 2 - Fantastical, the Mac calendar app you'll enjoy using. Quickly create new events with natural language input and more.
Pipl - The most comprehensive people search. Pipl is the place to find the person behind the email address, social username or phone number.
Simple Calendar - A simple calendar with events (optional recurring and reminders), week numbers and a customizable...
Evercontact - Your contacts always up to date and automatically with Evercontact.