NimbleWorks has introduced Work Journal 1.0 (http://workjournal.net) for Mac OS X (10.7 or higher). It costs US$S9.99 and is available worldwide through the Mac App Store (http://macte.ch/63wAM) in the Productivity category.
Work Journal is a task app that helps you track what you do on a daily basis. You can track what you’ve just done as fast as you can switch between tasks. Users can print or email the list of completed tasks to keep colleagues or bosses informed of their daily activities.