Superpowered - Power through the day without your calendar
Google Calendar - Spend less time managing your day & more time enjoying it
Daybridge - A calendar built for people, not companies.
Simple Calendar - A simple calendar with events (optional recurring and reminders), week numbers and a customizable...
Timeless - A unique clock and calendar visualization
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.