Plumb - Plumb is designed to reduce the time spent manually moving windows on your desktop.
SlickReader - SlickReader is an easy and comprehensive personalization tool that allows reading the news of customer preferences and content present in the website’s feeds.
Moom - Move your mouse over the green zoom button in any window, and Moom's mouse control overlay will appear (as seen in the above animation).
FeedFury - FeedFury was a powerful RSS supportive tool that helped to manipulate or to retrieve content data from multiple web feeds by functioning as an XML directory, the reader, and the aggregator.
Better Window Manager - A tiny window management app for the Mac
Reedah - Reedah is an alternative to the Google reader that allows users to read the content of various websites, blogs, stories, articles, and many more with RSS-based aggregator efficacy.