CodeIgniter

CodeIgniter is an open-source PHP web application framework designed for developers who need a simple and elegant toolkit to create full-featured web applications. It follows the Model-View-Controller (MVC) architectural pattern and emphasizes performance, minimal configuration, and a small footprint. It provides libraries for common tasks like database access, form validation, and session management, making it suitable for rapid development.

Also known as: CI, Code Igniter, CodeIgniter PHP, CodeIgniter Framework, Codeigniter (common misspelling)
🧊Why learn CodeIgniter?

Developers should learn CodeIgniter when building lightweight, high-performance PHP web applications that require minimal server overhead and quick setup, such as small to medium-sized business websites, APIs, or prototypes. It's particularly useful for projects where simplicity and speed are prioritized over extensive built-in features, as it offers a straightforward approach with clear documentation and a gentle learning curve compared to more complex frameworks.

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.NET Core
.NET Core is a free, open-source, cross-platform framework for building modern applications, including web, cloud, mobile, desktop, IoT, and AI solutions. It is developed by Microsoft and supports multiple programming languages like C#, F#, and Visual Basic, with a modular architecture that enables high performance and scalability. It includes a runtime, libraries, and tools for developing and deploying applications on Windows, Linux, and macOS.
.NET Framework
.NET Framework is a proprietary software framework developed by Microsoft that runs primarily on Windows. It provides a large class library called Framework Class Library (FCL) and language interoperability across several programming languages, enabling developers to build a wide range of applications, including desktop, web, and mobile. It includes features like memory management, security, and exception handling, and supports languages such as C#, VB.NET, and F#.
.NET Framework
.NET Framework is a proprietary software framework developed by Microsoft that runs primarily on Windows. It provides a large class library called Framework Class Library (FCL) and language interoperability across several programming languages, enabling developers to build a wide range of applications, including desktop, web, and mobile. It includes features such as memory management, security, and exception handling, and supports languages like C#, VB.NET, and F#.
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.NET Multi-platform App UI (.NET MAUI) is a cross-platform framework for building native mobile and desktop applications with C# and XAML from a single shared codebase. It allows developers to create apps that run on Android, iOS, macOS, and Windows using .NET. It is the evolution of Xamarin.Forms, integrated directly into the .NET platform.
.NET MAUI
.NET MAUI (Multi-platform App UI) is a cross-platform framework for building native mobile and desktop applications using C# and XAML. It allows developers to create a single codebase that can target Android, iOS, macOS, and Windows, leveraging the .NET ecosystem and providing a unified development experience. It is the evolution of Xamarin.Forms, integrated directly into the .NET platform.