In fact, more than 45 million people have already learned to code. Because it features courses from top-tier universities, it's easily one of the best websites for learning to code for free. But you can learn some of the basics, such as HTML, CSS and JavaScript, for free while you decide if you're ready to take your development skills to the next level. Command line is a way of "talking directly to the computer using lines of text in a code editor without a GUI (graphical user interface)".
This website also has a code editor to test references and see how they look to the user. After creating an account, the user can choose the programming language they want to learn at the desired level of difficulty, ranging from Very Easy to Expert. To help you remember what you have learned, you can take notes along the way that will be saved in your account. There are tons of free resources available, whether you want to master a new programming language or start a code-based project.
Learn Python the Hard Way is a book you can buy (or try for free) that gives you videos for each exercise and the ability to keep working whether you're online or offline. This online learning platform has courses on various programming languages, such as HTML, CSS, JavaScript, PHP, jQuery and Ruby on Rails. Without further ado, here are the best and most reliable free educational websites to learn how to code. SoloLearn works to create a community of developers where learners can interact, accumulate points and be featured in their "Top Learners" section.
FreeCodeCamp is a US non-profit organisation dedicated to helping people learn to code for free. They offer certifications and customised learning paths based on the technology features you're interested in. If you're more into iPad and iPhone apps (or just want to learn about them), check out Apple's tutorials and documentation here. On this YouTube channel, you can find free content from the creator of Code With Mosh (where he also offers paid courses).