With these top quality free online programming books

Professional Resources

A comprehensive collection of programming books for serious developers new to these languages. Each one contains everything you need to learn in order to become fully proficient, from fundamental concepts to advanced techniques. These are not watered-down tutorials, but are complete, thorough, book-length, learning guides that would typically sell for up to $50, available to you absolutely free.

Expert Author

Written by Robin Nixon, best-selling author of titles such as O'Reilly's Learning PHP, MySQL & JavaScript, many of the popular BarCharts' Study Guides, McGraw Hill's Web Developer's Cookbook and over 50 more, these books represent decades of teaching experience distilled into clear, practical guides. Each contains thousands of tested code examples, detailed explanations, and expert tips to accelerate your learning journey.

AI-Enhanced Learning

Every book features an innovative AI-enhanced learning experience. Simply highlight any section to send a request for deeper clarification directly to your preferred AI assistant for personalized explanations. You can instantly ask Claude or ChatGPT, or paste a specially crafted prompt into any other chatbot. The books are fully responsive, displaying beautifully on phones, tablets, and desktops, so you can learn anywhere, anytime.

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C

Master the foundational language of systems programming. Learn memory management, pointers, and low-level programming concepts that form the basis of modern computing. From basic syntax to advanced data structures, this comprehensive guide covers everything you need to write efficient, powerful C code.
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C# & .NET

Build powerful applications with Microsoft's premier platform. Explore object-oriented programming, LINQ, async/await patterns, and the extensive .NET ecosystem. Learn to create desktop applications, web services, and enterprise solutions with one of the most versatile modern languages.
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C++

Harness the power of modern C++ development. Master templates, the Standard Template Library, smart pointers, and modern C++ features like lambdas and move semantics. Build high-performance applications for gaming, embedded systems, and performance-critical software.
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CODING

Your first steps into the world of programming. Start with no prior experience and build a solid foundation in computational thinking, algorithms, and problem-solving. Learn the fundamental concepts that apply across all programming languages and prepare yourself for deeper specialization.
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DESIGN PATTERNS

Learn the essential patterns that power great software. Discover proven solutions to common programming challenges including Singleton, Factory, Observer, Strategy, and more. Understand when and how to apply each pattern to write maintainable, scalable, and elegant code.
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HTML & CSS

Create beautiful, responsive websites from scratch. Master semantic HTML5, modern CSS3 including Flexbox and Grid, responsive design principles, and web accessibility. Build stunning, professional websites that work perfectly across all devices and browsers.
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JAVA

Master enterprise development with Java. Learn object-oriented programming, collections, streams, concurrency, and the Java ecosystem. Build robust, scalable applications for Android, web servers, and enterprise systems using one of the world's most popular languages.
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JAVA­SCRIPT

Power the modern web with JavaScript mastery. Learn DOM manipulation, event handling, asynchronous programming, ES6+ features, and modern frameworks. Build interactive web applications, browser extensions, and understand the language that runs everywhere.
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PHP

Build dynamic web applications with PHP. Master server-side programming, database integration, session management, and security best practices. Create powerful content management systems, e-commerce platforms, and APIs using the language that powers much of the web.
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PYTHON

Learn the versatile language powering AI and data science. Master Python's elegant syntax, powerful libraries, and diverse applications from web development to machine learning. Write clean, readable code for automation, data analysis, scientific computing, and more.
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RUST

Write safe, concurrent systems with Rust. Master memory safety without garbage collection, fearless concurrency, and zero-cost abstractions. Build blazingly fast, reliable software for systems programming, WebAssembly, embedded devices, and high-performance applications.
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SQL

Master database design and querying. Learn to create efficient schemas, write complex queries, optimize performance, and ensure data integrity. Work with MySQL, PostgreSQL, and other systems to manage the data that powers modern applications.
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TYPE­SCRIPT & NODE

Build scalable applications with modern JavaScript. Add static typing to JavaScript with TypeScript, and create server-side applications with Node.js. Develop full-stack solutions, APIs, microservices, and real-time applications with type safety and JavaScript everywhere.