Bring computer science and AI education to your classroom with Code.org’s free K–12 curriculum, hands-on projects, and teacher professional development—no prior experience needed.

Visual Studio Code redefines AI-powered coding with GitHub Copilot for building and debugging modern web and cloud applications. Visual Studio Code is free and available on your favorite …

You will learn to code by building dozens of projects, step-by-step, right in your browser, code editor, or mobile app. You will also earn free verified certifications along the way.

Learn the basics of Python 3.12, one of the most powerful, versatile, and in-demand programming languages today. Master IT security basics and prep for the CompTIA Security+ exam with …

Learn and Practice problems on data structures and algorithms like Linked Lists, Stacks, Queues, Matrices, Trees, Graphs, and more. Solve over 450 problems in total. Start with the …

The NYC Construction Codes consist of the General Administrative Provisions, Building Code, Plumbing Code, Mechanical Code, Fuel Gas Code, and Energy Conservation Code.

Learning to code is one of the most powerful investments you can make in your professional life. In 2025 , this skill is no longer just for full-time developers. It is a form of digital literacy that …

Source code is the form of code that is modified directly by humans, typically in a high-level programming language. Object code can be directly executed by the machine and is …

CodeStepByStep is an online coding practice tool to help students in college and high school intro programming courses learn and practice basic CS1 and CS2 programming concepts.

Want to try coding without signing in? Code a Dance Party to share with friends and family. Featuring Beyoncé, Harry Styles, Lizzo, Lil Nas X, Selena Gomez, music from Disney's …