Comment 53 for bug 429395

You wrote in your blog that you wanted to implement the minimize Thunderbird to Indicator Applet but didn't know how to archieve that..
While browsing through the web I stumbled upon this Addon that does almost the same from the PoV of Thunderbird.

HP: http://codefisher.org/minimizetotray/
SVN: http://svn.codefisher.org/svn/minimizetotray/