Google Calendar - Spend less time managing your day & more time enjoying it
Yahoo! Calendar - You can view an entire month or focus on a specific date and time.
Doodle - Make meetings happen. With Doodle, scheduling becomes quick and easy.
OnSched - OnSched is an appointment setting software with many other features.
Simple Calendar - A simple calendar with events (optional recurring and reminders), week numbers and a customizable...
Task Muncher - Task Muncher is a cross-platform and web-based application that is designed to organize and keep the track of everything and focus on munching the weekly tasks.