My wife has been rocking home school like Eddie Van Hallen rocks a guitar for a decade now. Here’s some resource she put together for anyone looking for a starting point. Your results may vary.
Khan Academy – https://www.khanacademy.org/
Time 4 Learning – https://www.time4learning.com/
Time 4 Writing – https://www.time4writing.com/
Brave Writer – https://bravewriter.com/
TedED – https://ed.ted.com/
YouTube – CrashCourse – https://www.youtube.com/user/crashcourse
Spelling City – https://www.spellingcity.com/
PBS Learning Media – https://www.pbslearningmedia.org/
Coursera – https://www.coursera.org/
Edx – https://www.edx.org/
Duolingo – https://www.duolingo.com/
Lynda – https://www.lynda.com/
Code Academy – https://www.codecademy.com/
Scratch MIT – programming for kids – https://scratch.mit.edu/
Minecraft Education – programming – https://education.minecraft.net/
IXL – https://www.ixl.com/
Outschool – https://outschool.com/#abk8gbl489
Brain Pop – https://www.brainpop.com/
National Geographic Kids – https://kids.nationalgeographic.com/
National Geographic Education – https://www.nationalgeographic.org/education/
Typing Agent – https://typingagent.com/
Udemy – https://www.nationalgeographic.org/education/
Fun Brain – https://www.funbrain.com/
Education – https://www.education.com/
Cool Math – https://www.coolmath.com/
Time for Kids – https://www.timeforkids.com/
Starfall – young kids – https://www.starfall.com/h/
Exploratorium – science – https://www.exploratorium.edu/
BBC History for Kids – https://www.bbc.co.uk/history/forkids/
Old Farmers Almanac for Kids – https://www.almanac.com/kids
Open Culture – http://www.openculture.com/freeonlinecourses