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
Open Contacts - Open Contacts is an advanced address book program for managing contact info of individuals and...
Simple Calendar - A simple calendar with events (optional recurring and reminders), week numbers and a customizable...
FullContact Card Reader - Automagically scan biz cards into LinkedIn/Gmail contacts
Microsoft Outlook - Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.