This company sells several software titles for learning in laguage arts, art and geography. They appear to be very interesting and creative learning tools, but are pretty expensive. Most of the titles are available through Academic Superstore at a bit of a discount.
Saturday Grab Bag
Printable curriculum materials for preschool through second grade levels.
Thursday History/Social Studies
This website from the Government Publishing Office has resources for learning about the US govern
The name of this site says it all!
Tuesday Language Arts
This company provides programs for beginning reading and math learning.
This company publishes three books for helping elementary learners explore science.
Self-paced, online courses for learning coding.