Bravewriter.com     https://bravewriter.com/
pobble365.com   There is a new picture uploaded each day. Look at the picture on the screen and discuss what you see. Use the questions on the site to help you to encourage your child to think. Use the Story Starters to encourage your child to write about the picture.  http://www.pobble365.com/
Book Creator   90 day free. Students write and illustrate their creations. Excellent site.  
PBSkids.org Yrs 1-6 Range of activities, games across learning areas https://pbskids.org/
Typing Skills K-3   https://www.typingclub.com/sportal/program-16.game
Typing Skills 4-6   https://www.nitrotype.com/