Simple Calendar - A simple calendar with events (optional recurring and reminders), week numbers and a customizable...
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.
Calendar Lock PEA - Calendar Lock PEA is an encrypted desktop calendar with a day, week and month view. The shown calendars are never stored unencrypted on your disk, but exist only in the RAM. Platform-independent, Open Source, no installation or registration required.
Apple Contacts App - Access and edit your contacts from personal, business, and other accounts with the Contacts app.
GMinder - GMinder is an open source Windows System Tray app that pops up to remind you about Google Calendar events.
Free Address Book - In our contact management software you can store fast and easily name, phone numbers, birthdays, address, company name, city, mobile numbers, insurance and loan info, e-mail addresses.