This book is a comprehensive guide to mastering .NET MAUI (Multi-platform App UI) and Blazor for developing cross-platform applications using a single shared codebase. It explains how to design, develop, and deploy unified applications for desktop (Windows, macOS), web, and mobile platforms (Android, iOS). The book also explores the integration of powerful third-party libraries such as DevExpress and Syncfusion to build scalable, efficient, and visually compelling applications. Features:Discussion of unified codebase architectureCoverage of advanced UI development and cross-platform data handlingExploration of deployment strategies and performance optimizationReview of international case studies (Eppetech)Access to GitHub repositories, sample data sets, project templates, UI design files, deployment scripts, and configuration filesThis book is intended for professionals in computer science, software developers, and students in computer science.