Plumb - Plumb is designed to reduce the time spent manually moving windows on your desktop.
Winds - Open source & beautiful RSS reader
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).
Reeder - Reeder is an RSS reader and client for multiple services.
Better Window Manager - A tiny window management app for the Mac
Notion Feeder - Get rid of all the Feedreader apps and use Notion as a Feed Reader.