IT Tutorials (2026) | Free Programming, Cloud, Database & Networking Guides

Free Tutorial Sites

11 entries

General-purpose sites with beginner-friendly tutorials across programming and IT.

01W3SchoolsBeginner tutorials and references for HTML, CSS, JavaScript, SQL, Python, XML and more. 02GeeksforGeeksComputer science tutorials, data structures, algorithms and interview preparation. 03freeCodeCampFree, project-based curriculum and certifications in web development, data and more. 04TutorialsPointTutorials on programming languages, databases, networking and technologies. 05ProgramizEasy tutorials and online compilers for Python, C, C++, Java and more. 06Guru99Practical tutorials on Java, databases, networking, cloud, testing and IT topics. 07w3resourceTutorials, exercises and examples for programming, SQL and web technologies, including XML. 08CodecademyInteractive coding lessons and career paths. 09The Odin ProjectFree, open-source full-stack web development curriculum. 10SoloLearnBite-sized coding lessons and a mobile-friendly learning community. 11roadmap.shCommunity-driven learning roadmaps for developer, DevOps and data roles.

Web Development

2 entries

Authoritative references and guides for building for the web.

12MDN Web DocsMozilla's reference and tutorials for HTML, CSS, JavaScript and web APIs. 13web.dev LearnGoogle's structured courses on CSS, HTML, performance, accessibility and PWAs.

Programming Languages

8 entries

Language-specific tutorials, books and exercises.

14Real PythonIn-depth Python tutorials, courses and learning paths. 15BaeldungJava, Spring and related tutorials with practical code examples. 16dev.javaOracle's official learning site for the Java platform. 17Learn-C.orgFree interactive tutorial for the C programming language. 18LearnCpp.comFree, thorough tutorial site for modern C++. 19A Tour of GoThe official interactive introduction to the Go language. 20The Rust Programming LanguageThe official book for learning Rust. 21ExercismFree coding exercises with mentoring across dozens of languages.

Database Tutorials

5 entries

Tutorials and docs for relational and NoSQL databases.

22SQLBoltInteractive lessons and exercises for learning SQL. 23PostgreSQL TutorialStep-by-step PostgreSQL tutorials, now hosted by Neon. 24MongoDB UniversityFree courses and learning paths for MongoDB. 25MySQL DocumentationOfficial MySQL reference manuals and guides. 26Use The Index, LukeGuide to SQL indexing and database performance for developers.

Cloud, DevOps & Linux Training

7 entries

Vendor and community training for cloud platforms, containers and Linux.

27Microsoft LearnFree learning paths and documentation for Azure, .NET and Microsoft technologies. 28AWS Skill BuilderAmazon's digital learning center with free and subscription AWS courses. 29Google SkillsGoogle Cloud's hands-on labs and courses (formerly Cloud Skills Boost). 30Kubernetes TutorialsOfficial hands-on tutorials for learning Kubernetes. 31KodeKloudHands-on DevOps and cloud courses with practice labs. 32Linux Foundation TrainingCourses and certifications for Linux, Kubernetes and open-source technologies. 33Red Hat TrainingOfficial training and certification for Red Hat Linux, OpenShift and Ansible.

Networking Tutorials

4 entries

Learning resources for computer networking and communications.

34Cisco Networking AcademyCisco's courses on networking, cybersecurity and IT fundamentals. 35Cloudflare Learning CenterClear explanations of networking, security and web performance concepts. 36Professor MesserFree video courses for CompTIA Network+, Security+ and more. 37Practical NetworkingPlain-language networking tutorials and series.

Computer Science Fundamentals

4 entries

University-level courses and foundations of computing.

38MIT OpenCourseWareFree MIT course materials, including computer science and electrical engineering. 39CS50Harvard's introduction to computer science, free online. 40Khan Academy ComputingFree lessons on programming, algorithms and computer science. 41Nand2TetrisBuild a computer from first principles, from logic gates to an operating system.

Online Course Platforms

4 entries

Marketplaces and platforms with courses on programming and IT.

42CourseraUniversity and industry courses, specializations and degrees. 43edXCourses and programs from universities and institutions. 44UdemyLarge marketplace of on-demand video courses on IT and software. 45PluralsightSkills platform with technology courses, paths and assessments.

Coding Practice & Interview Prep

3 entries

Platforms for practicing problems and preparing for technical interviews.

46LeetCodeCoding problems and contests for interview preparation. 47HackerRankCoding challenges and skills assessments. 48CodewarsPractice programming with community-created kata.

Frequently Asked Questions

Where can I learn programming for free?

freeCodeCamp, W3Schools, GeeksforGeeks, The Odin Project, Programiz and Khan Academy offer free tutorials, while MIT OpenCourseWare and Harvard's CS50 provide free university-level courses.

Which sites are best for learning Java and Python?

Baeldung and dev.java are strong for Java, and Real Python is a leading resource for Python. Exercism adds free practice exercises with mentoring in many languages.

Where can I learn SQL and databases?

SQLBolt teaches SQL interactively, the PostgreSQL Tutorial and MySQL Documentation cover those engines, MongoDB University covers NoSQL, and Use The Index, Luke explains indexing and performance.

How do I learn cloud, DevOps and networking?

Microsoft Learn, AWS Skill Builder and Google Skills train you on each cloud, Kubernetes Tutorials and KodeKloud cover containers, and Cisco Networking Academy, Cloudflare Learning Center and Professor Messer cover networking.

Why does this page link only to home pages?

Individual tutorial pages move and break over time. Linking to each site's base URL keeps this directory accurate; use each site's own search or navigation to find the topic you want.