Social Vibe helps feed people, fight cancer, preserve wildlife, educate, and provide clean drinking water, all you need to do is answer some questions that take about 5 minutes of your time for the cause of your choice.
The Extraordinairies allows you to "micro volunteer" to help change the world for the better, whether it is helping log photos from Haiti so people can locate lost loved ones, catalog animal abuse photos for an archive, or inspire children with a message of encouragement. All that is required to be extraordinary is your time.
Free Rice is a game that you play and when you answer correctly, the game sponsors donate rice to feed people, one right answer provides 10 free grains, five right answers is 50 grains. This is one game that you can play to win obsessively that will result in something good for everyone.