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 online program provides adaptive reading passages on history and science.
This resource provides virtual manipulatives and online lessons for math learning.
An inexpensive, rule-based spelling program.
Another site with videos for elements in the Periodic Table.
This site is an interactive atlas, timeline and encyclopedia of world history.
A no-frills, free online typing course.