QuickCal for Mac and iPhone
Posted on May 3, 2011
Probably the most handy Calendar extension for Mac and iPhone is QuickCal, which not only supports a very clean Menubar View similar to CalendarBar;

but allows you to enter Calendar appointments and to-do lists in real world language. For instance, typing “Lunch @ 2pm at Big Bite” will create an appointment for lunch at 2pm, with the location as Big Bite.
There’s also an iPhone version that lives on my homescreen.
Watch the iPhone and Mac Versions in action below.
QuickCal 1.3 Introduction from Quicktipps on Vimeo.