Google Calendar - Spend less time managing your day & more time enjoying it
Evercontact - Your contacts always up to date and automatically with Evercontact.
Simple Calendar - A simple calendar with events (optional recurring and reminders), week numbers and a customizable...
CONTACTBOX - CONTACTBOX combines the simplicity of an address book with effective functions of a CRM system.
Microsoft Outlook - Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.
CRM-gx - Contact Management