Tynker - Game Worlds for Kids to Learn Programming
CodeCombat - Learn programming with a multiplayer live coding strategy game.
Kodable - Kodable is a game development and programming learning platform aimed at words kids, which helps you build a foundation and engage in the computer science world with other kids and teachers.
StackHive - Design, develop or publish websites right from your browser
WhiteHat Jr - WhiteHat Jr is a live online coding class service that is aimed at kids who want to learn coding in an easy and practical way.
GitHub Codespaces - GItHub Codespaces is a hosted remote coding environment by GitHub based on Visual Studio Codespaces integrated directly for GitHub.