Free Code Camp's open source community help you build a job-worthy portfolio of real apps used by real people, while helping nonprofits.




Codecademy is described as 'Begin interactive coding for free with courses in multiple languages, offering a fun learning experience enhanced by community support and optional pro features' and is a very popular online education service in the development category. There are more than 100 alternatives to Codecademy for a variety of platforms, including Web-based, Android, iPhone, iPad and SaaS apps. The best Codecademy alternative is freeCodeCamp, which is both free and Open Source. Other great apps like Codecademy are Khan Academy, exercism, Udemy and SoloLearn.
Free Code Camp's open source community help you build a job-worthy portfolio of real apps used by real people, while helping nonprofits.




Khan Academy is not-for-profit with the goal of changing education for the better by providing a free world-class education to anyone anywhere.




Download and solve practice problems in over 30 different languages. For code newbies and experienced programmers.


The platform connects 73 million students with 250,000 courses on subjects like programming, marketing, and design. Features lifetime access and 75+ language options, plus offline learning and mobile app support. Includes quizzes, instructor Q&A, and more.




Learning has never been this social and accessible for so many! Bit-sized videos and fun practice sessions grab your attention and keep you focused, for guaranteed best results!.




Provides online courses from leading global universities, offering flexible, convenient learning experiences. Focuses on integrating technology to transform both on-campus and worldwide education, offering both free and paid courses with certificate options.




The Odin Project is one of those "What I wish I had when I was learning" resources. Not everyone has access to a computer science education or the funds to attend an intensive coding school and neither of those is right for everyone anyway.


Pluralsight is the global leader in high-quality online training for hardcore developers and IT pros. The revolutionary Pluralsight training library provides techies with instant access to a rich collection of online training courses delivered by industry authorities.

LinkedIn Learning is an American website offering video courses taught by industry experts in software, creative, and business skills.




Free tutorials and reference manuals with examples for Computer Fundamentals, JSF, C Sharp, Flex, GWT, PL/SQL, Eclipse, JUnit, Pascal, Maven, Scala, Spring, Struts 2, HTML5, ANT, iBATIS, Django, JSP, JAVA, JDBC, AJAX, WAP, SQL, MySQL, C/C++, PERL, PHP, Ruby, Ruby on Rails...

Code.org is a non-profit whose goal is to expose all students to computer programming. We believe that computer programming is a liberal art; it's something EVERY student in the world should be exposed to at some point in their childhood education.

LeetCode is a platform for learning and improving coding skills with the goal of being fully prepared for programming interviews. Choose problems to solve from categories such as System Design, Algorithms and Database, join code contests and engage in mock interviews.


After taking the full course which needs about 3 months, you can understand so much code.