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The Rust language is popular for its performance, safety, and concurrency capabilities. Although it does not include direct graphical user interface (GUI) tools in the standard library, the community has developed several high-quality third-party libraries to help developers create GUI applications. Here are some popular Rust GUI frameworks and tools:

1. Tauri:

   • Tauri is a framework for building smaller, faster, and more secure desktop applications that uses Rust for backend logic while allowing you to use front-end technologies (such as React, Vue, Angular, etc.) to build user interfaces.
   • It is based on Web technology, but packages the application as a native application, providing performance and user experience close to that of native applications.

2. Dear ImGui:

   • This is a library for creating immediate mode graphical user interfaces, especially suitable for game development, data visualization, real-time control and other scenarios.
   • It is written in C, but the Rust community has provided good bindings (such as imgui-rs), which makes it very convenient to use Dear ImGui in Rust projects.

3. Flutter (Desktop Support):

   • While Flutter is primarily a framework for building mobile and web apps, it now supports desktop apps as well.
   • Flutter uses the Dart language, but the Rust community has experimental bindings and tools (such as flutter-rs), although these may not be as mature as other officially supported languages.

4. Egui:

   • Egui is a simple, easy-to-use Rust GUI library designed for immediate mode GUIs, inspired by Dear ImGui.
   • It focuses on providing a clear, concise API suitable for rapid prototyping and small projects.

5. Gio/Gtk-rs:

   • Gtk-rs is a Rust binding for GTK, a widely used cross-platform GUI toolkit.
   • Gtk-rs allows Rust developers to leverage the rich functionality and ecosystem of GTK to build sophisticated desktop applications.
   • It supports Linux, Windows, and macOS.

6. Druid:

   • Druid is a cross-platform GUI framework written in Rust that aims to provide a declarative, data-driven interface.
   • It emphasizes simplicity and performance, making it ideal for applications that require a high-performance interface.

7. Winit:

   • Winit is a low-level window creation and processing library that provides basic functions for creating windows, handling events (such as keyboard and mouse events) and window life cycle.
   • It is often used as the basis for higher-level GUI frameworks, such as Egui.

Which Rust GUI framework or tool to choose depends on your specific needs, such as your project type (game, data visualization, general desktop application, etc.), target platform (Windows, macOS, Linux, or cross-platform), and your performance requirements. Each framework has its own unique advantages and limitations, so it is recommended to carefully study the documentation and examples of each option before choosing.