OneTab - Whenever you find yourself with too many tabs, click the OneTab icon to convert all of your tabs into a list. When you need to access the tabs again, you can either restore them individually or all at once.
UpEffect - Crowdfunding for social good products
Workona - A better way to work in the browser.
Tickr - TICKR is GTK-based RSS READER application which displays RSS FEEDS in a TICKER bar on your desktop.
Session Buddy - Manage Your Browser Sessions
Creddon - Tweet for a cause and a sponsor will donate $1 to charity