In response to school closing in many areas, increasing number of providers started making their online contents or services free for stay-at-home kids. Here's a collection of such resources.
(coding for kids)
Https://outschool.com/ https://www.udemy.com/ http://i-readycentral.com/familycenter/ https://beastacademy.com/ https://www.khanacademy.org/ https://www.creativebug.com/(Creativebug offers online video arts and crafts workshops and techniques)
https://www.discoveryeducation.com/ https://www.splashlearn.com/ https://www.storylineonline.net/ https://pbskids.org/ https://www.highlightskids.com/ https://kids.nationalgeographic.com/ https://www.coolmath4kids.com/ http://www.mathgametime.com/ https://www.uniteforliteracy.com/ http://www.literactive.com/Home/index.asp http://www.sciencekids.co.nz/ https://www.switchzoo.com/ https://www.seussville.com/ https://www.turtlediary.com/ https://www.e-learningforkids.org/