A catalogue of the best online programming courses and tutorials. Hackr.io lets you search over 100 different programming languages and platforms — including iOS, Swift and Objective-C — for user submitted tutorials each voted on by the programming community. Each course is tagged up by cost, type, platform/language version, and difficulty level making it easier to find the best course for you. If you know a course or tutorial that is missing from the list, you can submit it and earn reputation and badges.

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