Open-source alternatives to Wpfui

FluentUI is a component-based UI framework that implements Microsoft's Fluent Design System for building cross-platform desktop applications. It provides a complete set of reusable UI components and styling tools that follow the Fluent Design language, enabling developers to create consistent visual interfaces across different operating systems. The framework includes a custom window frame manager that creates frameless application windows with integrated title bars and standard window controls, styled through CSS variables. It also features a single-page application router that manages view

This is an ASP.NET Core UI framework and Blazor component library designed for building web applications. It provides a collection of reusable UI building blocks and standardized web components centered around the Fluent UI design system. The toolkit features a design token system for customizing visual styles and personalization to maintain interface consistency. It includes a high-performance data grid component capable of rendering large datasets fetched asynchronously from remote API sources. The framework covers a broad range of interface needs, including a centralized notification syst

ReactiveUI is a .NET MVVM framework and functional reactive programming library designed to decouple application state from the user interface. It functions as a reactive state management tool that uses observable streams to handle mutable data and asynchronous event-driven logic. The framework provides a cross-platform UI toolkit that abstracts business logic from platform-specific views. This enables the creation of consistent user interfaces across multiple .NET platforms by utilizing platform-agnostic abstractions. The system focuses on application state management and decoupled UI testi

Pokedex is a reference implementation of an Android application that utilizes the MVVM architecture, Jetpack Compose for its declarative user interface, and Hilt for dependency injection. It serves as a sample project demonstrating a mobile application built with Android Jetpack and a Kotlin Coroutines network client to manage asynchronous data requests. The project implements a modular codebase to optimize build performance and enforce internal boundaries. It features a local persistence layer using the Room library to cache remote data on the device and utilizes Material Motion for fluid in

This project is a reference Kotlin Android application template and a set of sample implementations demonstrating Clean Architecture principles. It provides a structural design that isolates core business rules from the user interface and data sources into distinct, layered modules. The implementation focuses on the Model-View-ViewModel (MVVM) pattern to decouple UI logic from data models. It utilizes a dependency injection framework to automate object creation and manage component lifecycles, while employing a repository pattern to abstract data requests across memory, disk, and cloud source

Fluent Reader is a desktop RSS feed aggregator and reader. Built as a cross-platform client, it collects content from multiple web feeds into a single interface for streamlined aggregation and discovery. The application distinguishes itself through cross-service feed synchronization, allowing users to maintain consistency between the local reader and external data providers. It also features automated content filtering that uses regular expressions to automatically hide, star, or mark incoming articles as read based on specific patterns. The software includes an integrated web article reader

The Windows Community Toolkit is a development toolkit and WinUI component library for building applications on Windows 10 and 11. It functions as a Windows API wrapper and a collection of reusable UI components and utility functions designed to simplify common programming tasks. The project focuses on reducing boilerplate code in C# Windows development by providing a set of utility functions and standardized services. It enables the implementation of standard user interface patterns through custom controls and layout helpers. The library covers a broad range of capabilities, including Windo

This repository provides a comprehensive collection of functional code samples designed to demonstrate modern development patterns and architectural practices for the Android platform using Kotlin. It serves as a practical guide for implementing standard design patterns that decouple business logic from user interface components, ensuring that applications remain maintainable and testable. The project distinguishes itself by offering isolated, hands-on implementations of complex mobile programming tasks. It covers a wide range of capabilities, including asynchronous networking, local database

HandyControl is a desktop UI framework and component library designed for building Windows desktop software. It provides a collection of pre-styled and themed user interface controls for applications developed using the Windows Presentation Foundation framework. The project serves as a XAML style library, offering reusable resources and templates that define the visual appearance of common interface elements. It enables the creation of consistent layouts and modern visual themes across Windows applications by providing ready-made components that reduce the need for custom styling and boilerpl

Avalonia is a cross-platform desktop framework that enables the creation of native-feeling applications for Windows, macOS, and Linux from a single codebase. It functions as a declarative UI toolkit, allowing developers to define complex visual hierarchies and interface structures using a markup-based syntax that maps directly to underlying object properties. By utilizing the Model-View-ViewModel architectural pattern, the framework facilitates a clean separation between application logic and user interface layout, which simplifies unit testing and component maintenance. The framework disting

This project is a Material Design XAML library and UI framework for building Windows desktop applications. It provides a collection of components and styles used to implement Material Design interfaces within WPF applications. The toolkit functions as a XAML styling toolkit that provides reusable styles and color swatches. This allows for the maintenance of a unified visual identity and the application of standardized primary and secondary color palettes across .NET desktop screens. The framework covers WPF UI development and XAML interface styling, facilitating the implementation of Materia

This project is a WPF Material Design library and XAML UI framework providing a collection of pre-styled components and themed controls for Windows desktop applications. It functions as a desktop component library and theme engine to ensure design consistency across .NET applications. The toolkit implements a standardized visual language through a Material Design component library, including specialized buttons, cards, and dialogs. It enables the application of comprehensive visual styles and theme implementations to align standard controls with established design patterns. The framework cov

CleanArchitecture is a project template for ASP.NET Core designed to establish a standardized foundation for enterprise applications. It enforces architectural boundaries by separating core business logic from infrastructure and external dependencies, ensuring that the domain remains independent of technical concerns. The project provides scaffolding that supports both multi-project solutions for complex systems and single-project vertical slices for simpler requirements. By organizing code around business entities and aggregates, it facilitates modular development where distinct parts of a s

Quarkus is a Kubernetes-native Java framework designed for building high-performance, memory-efficient applications. It utilizes ahead-of-time native compilation to transform Java code into standalone, optimized binaries that eliminate the need for a virtual machine, enabling rapid startup and reduced memory consumption. By performing code augmentation during the build phase, it shifts heavy processing tasks away from runtime, ensuring that applications are optimized for cloud-native environments. The framework distinguishes itself through a unified approach to reactive and imperative program

This project is an open-source 3D game engine designed for building high-fidelity games, simulations, and cinematic environments. It functions as a robotics simulation platform with native integration for ROS 2 to model robot controllers and sensors. The engine features a multi-threaded Forward+ physically based renderer that supports hardware-accelerated ray tracing and global illumination. The system is built on a modular extension architecture using Gems to add or replace features without modifying core binaries. It includes a native SDK for AWS cloud integration, enabling IAM authenticati

TinaCMS is a headless content management framework that bridges local Git-based file storage with a visual, in-context editing interface. By treating your repository as the single source of truth, it enables developers to manage content as structured data files while providing editors with a browser-based dashboard to modify website content directly within a live preview. The framework distinguishes itself by transforming local files into a unified GraphQL API, which powers both the administrative interface and the application's data retrieval layer. This architecture allows for compile-time

Deno is a high-performance runtime for JavaScript and TypeScript that prioritizes security and developer productivity. Built on the V8 engine, it provides a secure execution environment that enforces a default-deny security model, requiring explicit user authorization for access to system resources like the file system, network, and environment variables. The runtime natively supports modern web-standard APIs, ensuring consistent behavior and portability across different environments. What distinguishes Deno is its integrated approach to the software development lifecycle. It bundles essentia

PyQt-Fluent-Widgets is a Python GUI component library and framework extension that provides a set of pre-styled UI components following modern Fluent design standards. It replaces standard PyQt controls with a specialized widget set designed for building contemporary desktop applications. The library distinguishes itself by offering advanced layout patterns, such as waterfall grids, loading skeleton screens, and split-view application shells. It provides a comprehensive collection of high-level interface elements, including navigation menu systems, configuration setting cards, and complex vie

This project is a reference implementation of the Model-View-ViewModel pattern using Android Jetpack components. It serves as an architecture template and layering guide, dividing application code into view, domain, and data layers to ensure a unidirectional flow of dependencies. The implementation focuses on state management and configuration change handling. It demonstrates how to synchronize UI updates across multiple screens using shared state containers and preserves application state during transitions between portrait and landscape orientations. The codebase covers a broad surface of

Knockout is a client-side UI library and JavaScript framework used to create responsive web interfaces. It functions as a declarative data binding library and an observable data model system that decouples business logic from the document object model. The project implements the Model-View-ViewModel pattern to separate application logic from the user interface. It synchronizes data models with visual views by linking internal JavaScript properties to HTML elements, allowing the interface to update automatically when underlying data changes. The framework provides capabilities for dynamic fro

Westore is a mini program MVVM framework and cross-platform logic layer designed to isolate application behavior from platform-specific rendering environments. It functions as a decoupled state manager and data binding engine that separates business logic from the user interface. The framework utilizes a model-view-viewModel architecture to maintain a portable model layer, allowing business logic to be tested using mock objects without a running user interface. It employs a diffing process to calculate the shortest data path and automatically update the user interface. The system covers head

This project is a framework for Windows desktop application development that allows the creation of native user interfaces using React and JavaScript. It enables the compilation of high-level application logic into native executables by targeting the Windows software development kit. The system leverages a C++ scene graph and visual layer for high-performance native rendering and provides mechanisms to map JavaScript calls to native C++ or C# methods. It synchronizes application styles with native operating system theme brushes to maintain visual consistency and manages desktop-specific inter

This project is a Blazor component library and web UI framework used for building web applications with ASP.NET Core Blazor. It serves as an implementation of the Fluent Design System, providing a collection of reusable, pre-styled user interface elements to ensure visual consistency and accessibility. The library includes an asynchronous data grid capable of resolving remote queries through asynchronous data fetching and entity mapping. It utilizes a design token system to manage visual styles and personalization settings across an application. The framework covers broader capabilities for

Primer is a CSS design system framework and utility library used to build consistent user interfaces based on a unified visual language. It provides a collection of CSS rules, utility classes, and pre-defined style sheets for styling standard interface elements. The framework implements frontend visual standardization through a shared set of utility classes and design system rules. This allows for the creation of reusable interface elements and the rapid development of web interface layouts. The system utilizes a BEM-based naming convention, design-token mapping, and CSS variable-based themi

This project is a SwiftUI app template and architectural blueprint for building iOS applications. It implements Clean Architecture and the MVVM pattern to separate business logic, data access, and the user interface into distinct layers. The framework utilizes a dependency injection container to manage object lifetimes and a flow coordinator pattern to handle navigation and screen transitions independently from the view layer. The codebase includes systems for network data management, featuring remote data pagination, cache-backed retrieval, and data mapping via data transfer objects. It als

MvvmCross is a .NET MVVM framework designed for building cross-platform applications by separating business logic from native user interfaces. It functions as a navigation engine and a UI data binding library, enabling the encapsulation of logic within view models that are reused across different operating systems. The framework provides a native hardware abstraction layer and a dependency injection container to decouple components and provide a consistent interface for accessing device features. It coordinates type-safe transitions between native screens and manages the synchronization of da

The Windows Community Toolkit is a collection of reusable UI controls, helper functions, and app services designed to accelerate development for Universal Windows Platform (UWP) applications on Windows 10. It provides a library of XAML-based controls and components that handle common interaction patterns, enabling developers to build apps that run across PC, Mobile, Xbox, IoT, and HoloLens devices with consistent adaptive layouts. The toolkit is distributed as NuGet packages for straightforward integration into .NET projects, and it includes a companion sample app that demonstrates control be