E-Pals - the world's largest k-12 online classroom and electronic pen pal network connecting over 1 1/2 million students and teachers from over 108 countries!

World Kids Network - Writing Club, Key Pals, and lots of interesting links to other resources such as Kids Around the World, Endangered Species, and Critters Area!

Connected Teacher - resource for teachers who wish for their classes to communicate with other classrooms around the world

Intercultural E-Mail Classroom Connections - a free service to help teachers link with partners in other countries for e-mail and e-mail classroom pen pal project exchanges