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Community-based Q&A part of the Stack Exchange platform.

The online programming practice in java and python.

FlexiQuiz is a powerful online test generator that enables you to create engaging online quizzes, tests, or exams in minutes. Choose from 100's of features to create a customized quiz that meets your objectives for business, education, or fun.

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Learn programming with a multiplayer live coding strategy game.

Originally founded as a project to simplify sharing code, GitHub has grown into an application used by over a million people to store over two million code repositories, making GitHub the largest code host in the world.

Open Source

Learn the technical skills you need for the job you want. As leaders in online education and learning to code, we’ve taught over 45 million people using a tested curriculum and an interactive learning environment.

Hacker News is a social news website focusing on computer science and entrepreneurship. It is run by Paul Graham's investment fund and startup incubator, Y Combinator.

Open Source

Online learning resource for beginner-friendly creative coding tutorials and challenges.

Practice and level up your development skills and prepare for technical interviews.

Open Source

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Programming competitions and contests, programming community.

Game Worlds for Kids to Learn Programming

Online Courses - Learn Anything, On Your Schedule

CSS-Tricks is a website about websites.