Ecosia is a search engine that donates 80% of its profits to planting trees.
Donate Your Website is a service that allows businesses to donate their website's traffic to a good cause. Think 'Amber Alert for social impact'.
Zakatify provides an easier and more meaningful way for Muslims to fulfill their charitable obligations. Users can discover nearly 1,500 zakat-eligible charities in the US, create a personalized portfolio of favorite charities, set an annual zakat goal and allow automatic distribution of funds, or donate immediately to the causes they care about.