You could have downloaded Gitifier 1.3.1 for Mac from our application library for free. Gitifier for Mac belongs to Business Tools. This free Mac app was originally produced by Jakub Suder.
From the developer:
Gitifier is an application that runs in your MacOSX menu bar ( /-) and monitors Git repositories that you're interested in. When someone pushes a new commit, it shows you a Growl notification.
All Git repositories are supported - whether it's on Github or Gitorious, private or public.
You may want to check out more software for Mac, such as Gitify, which might be related to Gitifier.