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AI-powered inline suggestions, intelligent completions, and a rich editing experience make it just as powerful when you're writing code yourself. Seamlessly switch between working with agents and …

Claude Code excels at both routine development tasks like bug fixes and testing, as well as transformative work like refactors and feature implementation that require deep codebase …

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 hands-on …

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CodeHS is the comprehensive K-12 computer science teaching platform — free curriculum, IDE, grading tools, and professional development for schools and districts nationwide.

Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more.

What is OpenCode? OpenCode is an open source agent that helps you write code in your terminal, IDE, or desktop.

The best place to build, test, and discover front-end code. CodePen is a social development environment for front-end designers and developers. Build and deploy a website, show off your work, …

From routine pull requests to your hardest problems, Codex reliably completes tasks end to end, like building features, complex refactors, migrations, and more, powered by OpenAI’s frontier coding …