FlyGRN - Flight search engine that offsets carbon emissions for free
Plantyflix - Watch Netflix and plant trees
Skyscanner - Skyscanner.com compares over 1000 airlines to find you the cheapest airfares, fast.
TreeCard - The wooden debit card that plants tree powered by Ecosia
Charity Miles - With the usage of this application you will always able to earn a win-win fitness situation for your goal.
Treeapp - Plant a tree for free, every day, in less than a minute