Amazing Kids http://www.amazing-kids.org
A kid-created online magazine dedicated to helping kids realize their amazing potential.
DogEared http://kidsblogs.nationalgeographic.com/dogeared/
An online book club: DogEared is a blog ALL about books.Good books, funny books, adventure books. Books about animals, friendship, pirates, faraway places... Books about, almost EVERYTHING.
Genna's World http://www.gennasworld.com
Genna's World is a creative writing web site for kids that was created and is maintained by a kid. Kids can submit and post original stories, book reviews, comments on other kids' writing, and suggestions for a collaborative story.
Kid’s Space. http://www.kids-space.org/
This international site lets kids post their own creative writing, essays, artwork, and musical compositions. "Hop Pop Town" features an assortment of musical games.
Midlink Magazine. http://www.ncsu.edu/midlink/
MidLink is the virtual space where any student aged 8-18 can be a published author. They prefer classroom projects, sponsored by a teacher, but you can always invite a teacher to sponsor you.