sites some are old but useful
www.givewell.net [1]
www.give.org [2]
www.charitywatch.org [3]
www.charitynavigator.org [4]
www.muhammadyunus.org [5]
www.give.org [2]
www.charitywatch.org [3]
www.charitynavigator.org [4]
www.muhammadyunus.org [5]