Open-source alternatives to Wpftoolkit

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

This project is an enterprise design system and web interface framework that provides a React component library for building consistent user experiences. It serves as a design-to-code workflow bridge, synchronizing product design tools with frontend implementation to accelerate development speed. The framework focuses on design-to-code synchronization and the construction of enterprise design systems. It enables the standardization of visual components and the composition of complex web and mobile screens using unified interface elements and layout patterns. The library implements a design-t

This project is a command-line utility and development framework designed to modify, extend, and customize the Spotify desktop client. It functions as a binary patching engine that injects custom scripts, stylesheets, and interface components directly into the host application, enabling users to alter visual themes and add new functionality. The tool distinguishes itself by providing a comprehensive development environment for building modular extensions and custom applications. It includes a hot-reloading pipeline for rapid iteration, a declarative library for constructing interactive UI pan

PrimeReact is a comprehensive UI component library for building interactive user interfaces with React. It provides an accessible component suite, a form input framework, and a data visualization toolkit designed to meet accessibility standards through built-in keyboard navigation and focus management. The library features a themed design system that allows for visual customization via pre-defined skin sets or an unstyled mode. This unstyled mode decouples component behavior and accessibility logic from the presentation layer, enabling the implementation of custom corporate design systems. C

DearPyGui is a GPU-accelerated, immediate-mode graphical user interface framework for Python. It provides a high-performance toolkit for building interactive desktop applications by leveraging native hardware-accelerated rendering backends across multiple operating systems. By utilizing an immediate-mode execution model, the library offers direct control over the rendering loop and element state, enabling the creation of responsive, dynamic interfaces. The framework distinguishes itself through its ability to handle complex, high-frequency visual updates, making it suitable for real-time data

Open-UI is a set of web UI standard specifications and a standardized UI component library. It provides technical definitions for universal UI components, behaviors, and accessibility requirements designed to ensure cross-browser compatibility through a series of web language proposals. The project features a web accessibility polyfill and extensible control polyfills that provide modern UI control functionality in environments lacking native browser support. It includes a browser compatibility suite to verify that components meet defined behavioral and accessibility requirements. The librar

Chameleon is a cross-platform application framework and component library used to develop applications for the web and various mini-app platforms from a single shared codebase. It functions as a multi-platform build pipeline that compiles source code into different target formats while providing an MVVM-based user interface system for managing application state. The framework employs a polymorphic protocol to extend custom components and APIs, allowing for platform-specific implementations while maintaining cross-end compatibility. It includes a specialized build tool for static analysis that

Arco Design is a React UI component library and design system framework used to build professional web interfaces. It provides a collection of pre-built visual elements and layouts designed to maintain a consistent design language across applications. The system features a token-based theming engine that utilizes hierarchical design variables and CSS variables to enable granular visual customization. This allows for the modification of global and component-level styles through a dedicated theme editor or loader to align the interface with specific brand identities. The framework supports ent

EUI is a React UI component library and design system framework. It provides a collection of reusable, typed interface components and visual guidelines to ensure a unified user experience across web application layouts. The project functions as a themed UI toolkit, enabling the management of visual aesthetics and the ability to toggle between light and dark modes. It incorporates a CSS-in-JS styling library for defining custom styles and rulesets for individual application elements. The framework covers broad capability areas including design system implementation, custom interface styling,

This project is a reference library for Android development, providing source code and sample applications that demonstrate architectural patterns and the implementation of core API capabilities. It serves as a collection of reference implementations for data management, system integration, and user interface component development. The library provides specific examples for managing hardware interfaces, background tasks, and inter-process communication. It includes a gallery of user interface components and patterns for implementing accessibility features and system-level font scaling. The p

wxauto is a Python library and bot framework designed for the programmatic control of the WeChat Windows desktop client. It functions as a wrapper that enables the automation of messaging and social feed functions by simulating user interface interactions. The library distinguishes itself by providing a bridge between network requests and local UI automation, allowing users to expose automation capabilities via a web interface. It utilizes background execution and simulated system-level inputs to trigger application events without moving the physical mouse cursor. The project covers extensiv

Gestalt is a type-safe React UI component library and design system. It provides a collection of reusable interface elements and design tokens that follow international accessibility standards to ensure usability for people with diverse needs. The framework includes a responsive web layout system with defined breakpoints and grid containers that adapt interfaces for desktop, mobile, and tablet devices. It features an internationalized component suite that supports multiple languages, regional color schemes, and right-to-left text orientations. The library covers a broad range of interface ca

This project is a collection of reference implementations and code samples for building cross-platform user interfaces using the Xamarin.Forms framework. It provides practical examples for developing mobile and desktop applications from a single codebase targeting multiple operating systems. The repository focuses on architectural patterns and integration strategies, specifically demonstrating the use of MVVM to synchronize data between models and views. It includes samples for native platform integration, such as invoking platform-specific APIs and creating custom renderers to override defau

Prism is a XAML application framework and MVVM architectural framework designed to build loosely coupled and testable applications across WPF, Xamarin Forms, and WinUI. It serves as a structural pattern implementation that separates business logic from the user interface to improve maintainability and testing. The framework provides a XAML event bus for exchanging data and triggering actions between independent components without direct coupling. It also functions as a dependency injection integrator, bridging external inversion-of-control containers to manage service delivery across multiple

This is a Model Context Protocol server that exposes Windows desktop automation and system administration functions to large language models. It provides programmatic control of mouse, keyboard, windows, and UI elements on Windows through simulated user input, while also enabling LLMs to manage the Windows registry, processes, files, and execute PowerShell commands through a remote interface. The server supports multiple transport protocols including stdio, SSE, and streamable HTTP, allowing flexible integration with different language model clients. It implements OAuth 2.0 with PKCE for secu

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

WinAppDriver is a WebDriver compatible server and UI automation driver used to run functional tests on Windows desktop applications. It implements the Selenium WebDriver protocol to programmatically control and verify the behavior of native user interfaces. The tool supports a wide range of application frameworks, including Universal Windows Platform, WinForms, WPF, and legacy Win32 applications. It includes capabilities for recording keyboard and mouse interactions to automatically generate the query paths and code required for automation scripts.

This repository is a collection of reference implementations and code samples for building Windows desktop applications using the Windows Presentation Foundation framework. It provides a sample library focused on desktop window management, declarative user interface layouts, and the Model-View-ViewModel architectural pattern. The collection includes practical examples of XAML-based declarative interfaces and the synchronization of data between business logic and the user interface via the Model-View-ViewModel pattern. It offers reference implementations for applying accessibility standards an

Sun-Valley-ttk-theme is a styling library for the Tkinter toolkit that provides a modern visual aesthetic for desktop applications. It functions as a collection of design assets and configuration frameworks that update the appearance of standard interface widgets to align with contemporary design standards. The library enables dynamic switching between light and dark visual modes at runtime, allowing applications to respond to user preferences without requiring a restart. It includes utilities for automatic synchronization with system-level theme settings, ensuring consistent visual presentat

RetroBar is a Windows taskbar replacement and desktop customization tool designed to restore the classic visual style and layout of legacy operating system versions to modern Windows environments. It functions as a shell extension that replaces modern taskbar elements with a vintage aesthetic. The project includes a multi-monitor taskbar manager to organize and position navigation bars across several screens. It features a theme management system that applies predefined style sets or custom resource dictionaries to the interface. The software provides capabilities for interface localization

DataV is a big screen visualization framework designed for high-impact data displays. It provides a collection of libraries for both Vue and React to build large-scale data dashboards featuring interactive charts and visual elements. The toolkit includes a specialized decoration kit of scalable vector graphics used to add borders and frames to professional data display screens. It focuses on complex data visualization, including the rendering of specialized charts such as water level and flight line maps. The framework covers a broad capability surface for data dashboard visualization, provi

Chartkick is a Ruby on Rails visualization library and JavaScript charting wrapper that provides a high-level interface for integrating interactive charts into web applications. It functions as a multi-engine charting adapter, wrapping various JavaScript charting libraries to provide a consistent API for rendering data visualizations. The project is distinguished by its engine abstraction, which allows users to switch between different JavaScript charting libraries without modifying the underlying data sources. It also supports asynchronous data visualization, fetching chart data from remote

This project is an immediate-mode graphical user interface library designed for rapid development of tools and debugging interfaces. By generating UI geometry every frame through procedural code, it eliminates the need for persistent state synchronization between application data and the interface. It is primarily intended for integration into existing rendering pipelines, where it produces raw vertex buffers and draw commands that are agnostic to the underlying graphics API. The library distinguishes itself through a highly decoupled architecture that supports complex, dockable, and multi-vi

Bootstrap-vue is a Vue.js component library and responsive UI kit based on the Bootstrap CSS framework. It provides a frontend component suite of reusable interface elements designed for building mobile-first websites and web applications. The project wraps Bootstrap CSS classes in Vue components to manage styles and behaviors through reactive state. It integrates a responsive layout management system that synchronizes internal component states with Bootstrap's grid system and device breakpoints. The library covers a wide range of interface capabilities, including data display with sortable

Chicago95 is a Linux desktop theme and a collection of visual assets designed to recreate the interface and aesthetics of a mid-nineties operating system. It provides a retro GUI theme consisting of stylesheets, window decorations, and a comprehensive library of pixel-art icons and cursors. The project transforms modern Linux environments through a GTK desktop theme and a vintage icon set. These assets work together to emulate a classic computing experience, replacing standard system visuals with coordinated retro styles. The system covers broader customization areas including boot and login

WilliamChart is an Android data visualization library and toolkit used to render interactive charts and graphs within Android applications. It functions as a UI component library for integrating data-driven dashboards and metrics into Android layouts. The library includes a specialized component for representing proportional categorical data as donut charts, which are circular charts with hollow centers. It provides a drawing engine that uses low-level APIs to map numerical data to pixel coordinates on the screen.

Blocks is a no-code website builder and component-based UI framework designed to create production-ready websites through a visual interface. It functions as a visual page builder that assembles layouts using pre-designed JSX component blocks. The system includes a visual theme engine used to manage brand identity through the definition of global colors and layout presets. This allows for the application of consistent visual themes across all pages of a site. The platform covers visual website building, JSX page construction, and brand identity management. It utilizes a schema-driven layout