Coding Tools: Learn to Code!

CodeOrg
Code.org - Express Course
Learn computer science by trying these lessons at your own pace! Learn to create computer programs, develop problem-solving skills, and work through fun challenges! Make games and creative projects to share with friends, family, and teachers.

CodeClub
Code Club International
A worldwide network of free, volunteer-led coding clubs for children aged 9-13. Code Club provides easy to follow coding projects which help children learn Scratch, HTML & CSS and Python by making games, animations and websites. 
Hour
Hour of Code
Try a one-hour tutorial designed for all ages in over 45 languages. Join millions of students and teachers in over 180 countries starting with an Hour of Code.
Khan
Khan Academy - Computer Programming
Learn the basics, starting with Intro to programming. Khan Academy produces many online tools in the form of short lessons in the form of videos that help educate students.