1. Scratch，popular and easy to get

2. Makecode，daddy microsoft's edu platform

3. Code combat，game_like code missions

4. BBC micro:bit，kid hardware maker and programer

5. Raspberry pi，powerful platform but complex

6. Arduino，extendible hardware interface and high level IDE

7. Lego，from toy play to engineering

8. Hopscotch，another scratch on mobile devices

9. App Inventor，make real android app

10. Code spark，spark robot

11. Bitsbox，printed code cards and app framework

12. Code.org，president support

13. Chibi chips，logical curcuit builder

14. Tynker，commercial platform，step up learning

15. code kingdoms，Minecraft modding