You could have downloaded Calick 1.0 for Mac from our software library for free. The software lies within Business Tools, more precisely Project Management. The actual developer of this Mac application is Spork Software.
From the developer:
Calick provides a globally floating panel window of all your incomplete todo items from iCal. This saves you from having to bring iCal to the front every time you need to check your todo lists.
You may want to check out more Mac applications, such as Rental Software for Mac or Courier Software for Mac, which might be related to Calick.