wxRuby

wxRuby has been highly praised by developers as a cross-platform GUI library that offers a wide range of features for creating desktop applications. With its comprehensive widget set, users get access to a library of pre-built components that can be used to build any type of desktop application. wxRuby provides a native look and feel on all major operating systems including OS X, Windows, and Linux. This means that developers can focus on creating their application without worrying about compatibility issues across various platforms.

What's more, wxRuby is based on the mature and liberally-licensed wxWidgets framework that has been tested in a wide range of applications over the years. This makes wxRuby a reliable and robust option for creating desktop applications that can handle complex interactions.

With its intuitive documentation, robust community and active development, wxRuby is a top choice for developers seeking a powerful and easy to use cross-platform GUI library for desktop applications. Whether you're an experienced developer or just starting out, wxRuby has the features and support you need to create beautiful and responsive desktop applications.