friendsell

From Them:

friendsell.com is the best way to connect with friends and family to buy, sell, trade, or donate your stuff!

Get away from classified ads and get into social buying/selling.

Mathmaster

From Them:

The Mathmaster.org is a free resource for teachers and parents. You can make an unlimited number of printable math worksheets for children, the classroom or homework practice. What makes this site unique is a flexibility of the worksheet generators and the text book quality of the worksheet being generated.

CulinaryCulture

From Them:

CulinaryCulture is a free service for people who love to cook. It's a new way for you to share recipes, find new places, meet new friends, organize dinner parties, and post your incredible food photography.