Lichess - The complete chess experience, play and compete in tournaments with friends others around the world.
Tynker - Game Worlds for Kids to Learn Programming
Chess.com - Play chess on Chess.
CodaKid - CodaKid is an online kid’s coding academy offering coding courses for kids, Minecraft modding, Robox coding, and video game programming courses.
Fritz - Fritz is the world’s most popular chess program, developed by ChessBase, “the world's leading...
CodeCombat - Learn programming with a multiplayer live coding strategy game.