Coding and Decoding in Reasoning

code.org

https://code.org/

Free K–12 Curriculum for Computer Science and AI | Code.org

From elementary through high school, Code.org offers comprehensive, standards-aligned computer science courses used in over 2 million classrooms across the country. Our free, flexible curriculum empowers educators to teach with confidence and students to learn with creativity.

freecodecamp.org

https://www.freecodecamp.org/

Learn to Code — For Free — Coding Courses for Busy People

freeCodeCamp is a community of people from all around the world who are learning to code together. We're a 501 (c) (3) public charity. How will freeCodeCamp help me learn to code? You will learn to code by building dozens of projects, step-by-step, right in your browser, code editor, or mobile app.

codecademy.com

https://www.codecademy.com/

Learn to Code - for Free | Codecademy

Grow in your career and unlock new opportunities by learning in-demand skills in AI, data, coding, cybersecurity, and more.

programiz.com

https://www.programiz.com/

Programiz: Learn to Code for Free

Learn to code in Python, C/C++, Java, and other popular programming languages with our easy to follow tutorials, examples, online compiler and references.

codepad.app

https://codepad.app/

CodePad - The New Way of Coding

Introducing CodePad, the new way of coding. Write and share code in your browser! You don't need to download anything anymore. Try it now for free!

coddy.tech

https://coddy.tech/

Learn to Code for Free with Coddy.Tech - Code Makes Perfect

Learn code in a fun, effective way with Coddy.Tech – enjoy mastering diverse programming languages daily and build skills with ease, all online!

geeksforgeeks.org

https://www.geeksforgeeks.org/blogs/basics-of-comp…

Basics of Computer Programming For Beginners - GeeksforGeeks

Your All-in-One Learning Portal: GeeksforGeeks is a comprehensive educational platform that empowers learners across domains-spanning computer science and programming, school education, upskilling, commerce, software tools, competitive exams, and more.

educative.io

https://www.educative.io/blog/what-is-coding

What is coding? A beginner’s introduction - Educative

At its core, coding—or computer programming—is the process of writing instructions that a computer can understand and execute. In this blog, we’ll break down what coding really means, why it matters, and how it powers almost every aspect of modern technology.

codechef.com

https://www.codechef.com/

CodeChef - Learn and Practice Coding with Problems

Learn coding with our free and beginner friendly courses on Python, Java, C, C++, Data structures, Algorithms, SQL. Solve our collection of 1000s of problems to practice coding.

codeclub.org

https://codeclub.org/en/learn-to-code

Learn to code

Our projects have step-by-step instructions to teach you how to create games, animations, and much more. Choose from hundreds of options, in up to 30 languages. Each of our project paths guides you through a series of six projects that will help you build your coding and design skills.