CodeCombat teaches coding through a game where players control characters using real programming languages such as Python or JavaScript.

Khan Academy offers free, self-paced computer programming lessons covering topics such as JavaScript, HTML/CSS, and SQL.

Code.org is a nonprofit platform providing free coding lessons and full computer-science courses for students from early primary school through high school.

Scratch is a free visual programming platform developed by MIT where children create games, animations, and stories using drag-and-drop coding blocks.

The Raspberry Pi Foundation provides a large collection of free coding tutorials and projects for children and teenagers.

The BBC micro:bit resources introduce children to coding through hands-on activities using a small programmable device called the micro:bit.