What are some alternatives?
When comparing Code4Startup and Codecademy, you can also consider the following products
Quick Code - Curated list of free online programming courses
Udemy - Online Courses - Learn Anything, On Your Schedule
Khan Academy - Khan Academy offers online tools to help students learn about a variety of important school subjects. Tools include videos, practice exercises, and materials for instructors. Read more about Khan Academy.
Code-Free Startup - Learn how to build real apps without coding
Free Code Camp - Learn to code by helping nonprofits.
Codeplace - Learn how to code by building real web apps