TreeClicks is a Chrome and Firefox extension that plants trees for free when you shop online at your favourite online stores. Shopping prices remain the same.
Wren - Offset your carbon footprint by saving rainforests
Plantyflix - Watch Netflix and plant trees
YAYZY - Track the carbon footprint of each purchase in real-time
TreeCard - The wooden debit card that plants tree powered by Ecosia
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.
Tab for a Cause - Raise money for charity with each new tab you open