This site, from a homeschooling mom in England, has a blog and a Charlotte Mason inspired, multi-age nature curriculum. Includes a guide book with weekly observations, readings and activities; plus a guided journal with copywork. There is some religious content, mostly around Christmas and the solstice and equinox.
This site from the University of California has a large collection of free resources for learning
A resource from the Smithsonian with news articles and lots of teacher tools.
This is a great little website with printable paper dolls.
This company offers curriculum in Math, Language Arts and History.
Complete math curriculum for grades K through 8.
This site is part of "gamification" trend in education, using the World of Warcraft game as the b