StackApplet 1.5.1 has been released!
Continue reading below for instructions and links for downloading StackApplet. You can read the release announcement here: https://launchpad.net/stackapplet/+announcement/9497
Screenshot

About
StackApplet is a small status icon that sits in your desktop's notification area and alerts you to events that happen to your accounts. You will receive notifications about new answers, comments and reputation changes. All StackExchange sites are supported. The application is written in Python and the preferences page uses JavaScript.
License
Download
Packages are available for the latest stable release (1.5.1).
For Microsoft Windows:
http://launchpad.net/stackapplet/1.5.1/1.5.1/+download/stackapplet_1.5.1_i686_setup.exe
For Debian-based distros:
http://launchpad.net/stackapplet/1.5.1/1.5.1/+download/stackapplet_1.5.1_all.deb
For Redhat-based distros:
http://launchpad.net/stackapplet/1.5.1/1.5.1/+download/stackapplet-1.5.1-2.noarch.rpm
Generic archive:
http://launchpad.net/stackapplet/1.5.1/1.5.1/+download/stackapplet-1.5.1.tar.gz
Platform
Windows XP/Vista/7/8 or a Linux distro with PyGTK installed.
Contact
I can be reached at admin@quickmediasolutions.com
Source
Available on Launchpad: http://launchpad.net/stackapplet
f = open(os.path.join(os.getenv("HOME"),"/.stackoverflow"),'r')to open your settings. – Flame May 21 '10 at 0:37