|Coursera is an education platform that partners with top universities and organizations worldwide to offer courses online for anyone to take.
|Khan Academy is a non-profit educational organization that provides a free, world-class education for anyone, anywhere. It offers short lectures in the form of YouTube videos.
|MIT Open Course Ware (OCW) is a web-based publication of virtually all MIT course content. It is open and available to the world as a permanent MIT activity.
|The Open Learning Initiative (OLI) is a grant-funded group at Carnegie Mellon University, offering innovative online courses to anyone who wants to learn or teach.
|Udemy.com is a platform for online learning where experts can create and offer courses to the public, either at no charge or for a tuition fee. It provides tools for course creation, promotion, and earning from student tuition charges.
|Codecademy is an online interactive platform that offers free coding classes in various programming languages, as well as courses for learning command line and Git.
|Udacity offers free courses built by industry leaders like Google, MongoDB, and Facebook, helping learners advance their careers.
|CodeChef is a platform to help programmers excel in algorithms, computer programming, and programming contests.
|GeeksforGeeks provides free tutorials, articles, live and online courses, coding competitions, webinars by industry experts, and internship and job opportunities.
|InterviewBit is a platform to learn skills needed for technology jobs. It helps users polish their skills and prepare for job interviews.
|The SPOJ platform hosts competitive programming contests and provides an online judge system for the automatic assessment of user-submitted programs.
|HackerRank is a technology hiring platform used by over 2,000+ companies worldwide to assess developer skills.
|Scaler Academy is an online accelerator program that enhances the coding skills of software professionals.
|Upskill is a free online boot camp that takes learners from beginner to advanced developer, with a focus on web development.
|Codeforces is a website that hosts competitive programming contests, maintained by a group of competitive programmers from ITMO University.
|An online judge is a system for testing programs in programming contests, allowing users to practice and participate in contests.
|edX is a massive open online course (MOOC) provider, offering university-level courses in various disciplines worldwide, including some courses at no charge.
|W3Schools is a web developers’ site that provides tutorials and references on web development languages and technologies.
|The Spoken Tutorial project is an initiative of the National Mission on Education through ICT, offering tutorials and resources for various subjects.