Microsoft Silverlight is a free add-on framework tool that enables the creation and delivery of rich media experiences and interactive web applications. It allows content to be delivered smoothly across desktop platforms, focusing on video, graphics, and user interfaces. It has a runtime environment that extends browser capabilities for developers and users.

A powerful tool for developers

Microsoft Silverlight offers cross-platform consistency, ensuring content runs equally well on both Windows and macOS operating systems. Its integration with Visual Studio and the .NET framework provides powerful tools and familiar programming languages for developers. This ecosystem promotes the rapid development of high-quality, feature-rich client-side applications embedded within web pages.

However, it has some drawbacks: first, its dependency on a separate, mandatory browser plugin to execute content complicates installation and compatibility. Furthermore, its mobile platform support remains limited compared to HTML5. This restricts the framework's use for applications that require full access across smartphones and tablets, regardless of the operating system.

Full of ideas, but is never successful

Overall, Silverlight is a capable technology for organizations and developers for desktop-centric web app building and secure streaming solutions. The stability offered by the .NET integration is a major selling point. While it requires browser plugins and lacks strong mobile support for its users, it still delivers a consistent experience.