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The Ebook Foundation administers the free-programming-books repository, a list of freely available programming books and other learning resources grouped by genre and language. It began as a clone of a StackOverflow list, was moved to GitHub for collaborative maintenance, and also includes cheat sheets and free online courses.
CTFtime.org is a site about Capture The Flag competitions. It provides an archive of past events and writeups, a calendar of upcoming events, team ratings and rankings, and a comparison feature. Organizers can submit events, and visitors can browse tasks, writeups and teams.
The HTML Hobbyist is a site about learning HTML to build a website, fanzine or personal site. It discusses the history of the World Wide Web and argues that publishing a website is cheaper and easier than before. It offers a one-page starter and a web badge.
LearnToCloud is a free, open-source, self-paced cloud engineering program. It provides a structured curriculum with resources, practical challenges and clear goals, automated checks and AI-assisted reviews of submitted work, and community support. The curriculum starts with Linux and networking, then builds an AI-powered API that is deployed, automated and secured on a chosen cloud.
An introductory course on programming with Python. It covers reading and writing code, testing and debugging, functions, variables, conditionals, loops, exceptions, unit tests, third-party libraries, regular expressions, classes and file handling. It is designed for students with or without prior programming experience. The course's ten weeks of material are available free via OpenCourseWare.
The Cryptopals Crypto Challenges are a collection of exercises demonstrating attacks on real-world cryptography, derived from weaknesses in real-world systems and modern cryptographic constructions. The eight sets become progressively harder, and proficiency in any programming language is required.
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The Ebook Foundation administers the free-programming-books repository, a list of freely available programming books and other learning resources grouped by genre and language. It began as a clone of a StackOverflow list, was moved to GitHub for collaborative maintenance, and also includes cheat sheets and free online courses.
CTFtime.org is a site about Capture The Flag competitions. It provides an archive of past events and writeups, a calendar of upcoming events, team ratings and rankings, and a comparison feature. Organizers can submit events, and visitors can browse tasks, writeups and teams.
The HTML Hobbyist is a site about learning HTML to build a website, fanzine or personal site. It discusses the history of the World Wide Web and argues that publishing a website is cheaper and easier than before. It offers a one-page starter and a web badge.
LearnToCloud is a free, open-source, self-paced cloud engineering program. It provides a structured curriculum with resources, practical challenges and clear goals, automated checks and AI-assisted reviews of submitted work, and community support. The curriculum starts with Linux and networking, then builds an AI-powered API that is deployed, automated and secured on a chosen cloud.
An introductory course on programming with Python. It covers reading and writing code, testing and debugging, functions, variables, conditionals, loops, exceptions, unit tests, third-party libraries, regular expressions, classes and file handling. It is designed for students with or without prior programming experience. The course's ten weeks of material are available free via OpenCourseWare.
The Cryptopals Crypto Challenges are a collection of exercises demonstrating attacks on real-world cryptography, derived from weaknesses in real-world systems and modern cryptographic constructions. The eight sets become progressively harder, and proficiency in any programming language is required.
