This company provides DIY/maker resources for girls. They publish a quarterly print magazine and a few books, and run summer camp programs in four US cities. You can try out their materials by subscribing to a free "project of the month" email.
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.