Google Contacts - Google Contacts is Google's contact management tool that is available in its free email service Gmail, as a standalone service, and as a part of Google's business-oriented suite of web apps Google Apps.

Google Calendar - Spend less time managing your day & more time enjoying it

Drupe - Next generation contact manager and dialer.

Simple Calendar - A simple calendar with events (optional recurring and reminders), week numbers and a customizable...

Simple Contacts - Contact lens prescriptions from home

Business Calendar - Powerful and easy to use calendar app for Android including weather, widgets and tasks.