Learning to Code

1. BitDegree
   Languages: CSS, HTML, PHP, SQL, JavaScript, jQuery

2. CodeAcademy
   Languages: CSS, JavaScript, HTML, PHP, jQuery, Python, PHP, Ruby
   
3. Codewars
   Languages: C++ and C# to Ruby, Python, Lean, Java, PHP, Scala and more
   
4. Code.org
   
5. Free Code Camp
   Languages: HTML5, Javascript, Node.JS, CSS3, React.JS, Databases, Git
   
6. Code Conquest
   Languages: CSS, HTML, PHP, jQuery, Ruby, JavaScript, Python, MySQL
   
7. W3Schools
   The original.
   Languages: CSS, SQL, JavaScript, HTML, Python, Java, C++, and more
   
8. Code Avengers
   Languages: HTML, CSS, Python, jQuery, JavaScript, and more
   
9. The Code Player
   Languages: CSS, HTML, Javascript and more
   
10. CodeGym
    Language: Java
    
11. The Odin Project
    Languages: CSS & HTML, basic JavaScript & Ruby
    
12. Plural Sight
    Free Weekend 8/13 – 8/15/21
    Topics: Web/Mobile development, Javascript, C#, Python, Node.JS, C++, Ruby, Java, React
    
13. MIT Open Courseware
    A buffet of learning
    
14. Web Fundamentals
    Language: HTML5
    
15. Dash General Assembly
    Languages: CSS, JavaScript, and HTML
    
16. Codeasy.net
    Language: C#
    

source credit: webdesignerdepot