Wren - Offset your carbon footprint by saving rainforests

UpEffect - Crowdfunding for social good products

Capture - A great free screen capture utility that allows you to capture either a window or the desktop and save it to either a file or the clipboard.

Tickr - TICKR is GTK-based RSS READER application which displays RSS FEEDS in a TICKER bar on your desktop.

Treepoints - Fight climate change and earn rewards

Stock Rover - Stock Rover lets you find, compare and dive into equity data like never before. Effortlessly screen for stocks, plan trades and analyze portfolio performance.