Open Source Android User Interface (UI) Apps
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User Interface (UI) Apps for Android
View 20 business solutionsBrowse free open source User Interface (UI) apps and projects for Android below. Use the toggles on the left to filter open source User Interface (UI) apps by OS, license, language, programming language, and project status.
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guiscrcpy
Full fledged GUI integration for the Android screen mirroring system
A simple, pluggable, graphical user interface for the fastest Android screen mirroring software, scrcpy. guiscrcpy is a multiplatform, ready-to-use GUI layer for Android to PC screen mirroring written in the advancing programming language python3 for the most award-winning open-source android screen mirroring system. -
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Termux Desktop
Setup A Beautiful Desktop/GUI In Termux
Termux Desktop is a collection of dotfiles and scripts for setting up a graphical Linux-style desktop environment inside Termux on Android. It helps users turn a phone or tablet into a more complete desktop-like workspace without needing root access. The setup uses VNC so the desktop can be opened through a VNC client after installation. It includes an Openbox-based environment with visual themes, menus, app launchers, terminal tools, file management, browser access, and system applets. The project is especially useful for experimenting with coding, Linux tools, classic applications, and lightweight desktop workflows on Android hardware. Since the repository is archived and marked as unmaintained, it is best treated as a legacy reference setup rather than an actively supported Termux desktop solution. -
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Kivy
Innovative user interfaces made easy
Kivy is an open source, cross-platform UI framework that lets you develop applications that make use of innovative, multi-touch user interfaces. Written in Python with a graphics engine built over OpenGL ES 2, Kivy supports various input devices and protocols, and gives you access to over 20 widgets that are all highly extensible and have built-in multi-touch support. You can run the same codebase on Mac, Windows, Linux, Android and iOS. Kivy is 100% free and open source with a professionally developed and used toolkit, as well as a stable framework and well-documented API, so you can be confident in using it in a commercial product. -
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FlorisBoard
An open-source keyboard for Android which respects your privacy
FlorisBoard is a free and open-source keyboard for Android 7.0+ devices. It aims to be modern, user-friendly, and customizable while fully respecting your privacy. Currently in early beta state. -
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BottomSheetPickers
Third-party date and time pickers for Android
BottomSheetPickers is an Android UI library that provides alternative date and time picker components designed to replace the default system pickers with a more modern bottom sheet interface. It supports Android API level 14 and above, making it compatible with a wide range of devices, including older versions of Android. The library includes multiple picker styles such as number pad time pickers and grid-based pickers, offering different interaction models depending on the use case. These pickers are implemented as dialog fragments, allowing them to integrate smoothly into existing Android applications while maintaining lifecycle awareness. The library is built on top of Android support libraries and can be customized through various configuration options such as themes, callbacks, and builder patterns. Developers can easily handle user input through listener interfaces, enabling flexible integration with application logic. -
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Intellij rainbow brackets
Rainbow Brackets for IntelliJ based IDEs/Android Studio/HUAWEI DevEco
Compatible with IntelliJ IDEA, PhpStorm, WebStorm, PyCharm, RubyMine, AppCode, CLion, Gogland, DataGrip, Rider, MPS, Android Studio, HUAWEI DevEco Studio, DataSpell, Code With Me. Supports Java, Scala, Clojure, Kotlin, Python, Haskell, Agda, Rust, JavaScript, TypeScript, Erlang, Go, Groovy, Ruby, Elixir, ObjectiveC, PHP, HTML, XML, SQL, Apex language, C#, Dart, Pug/Jade, Bash, Vue.js, C# Razor Pages, GLSL(the OpenGL Shading Language), Go Template, C++, C, etc. Eliminate context switching and costly distractions. Create and merge PRs and perform code reviews from inside your IDE while using jump-to-definition, your keybindings, and other IDE favorites. If you didn't like the built-in colors, or want some new color but don't want to try out and pick colors. Please use color generator. And you can use the color generator and config your number of colors at the same time. -
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Ionic Framework
A powerful cross-platform UI toolkit for building native-quality apps
A powerful cross-platform UI toolkit for building native-quality iOS, Android, and Progressive Web Apps with HTML, CSS, and JavaScript. With a low friction migration, Ionic 6 brings improved desktop support, new UI components, iOS/Android design enhancements, performance and bundling improvements, and so much more. Free and open-source, Ionic offers a library of mobile-optimized UI components, gestures, and tools for building fast highly interactive apps. Ionic’s UI components look great on all mobile devices and platforms. Start with pre-made components, typography, and a base theme that adapts to each platform. Ionic lets developers to ship apps to the app stores and as a PWA with a single code base. With Adaptive Styling, apps look and feel at home on every platform. Create, build, test, and deploy your app with the Ionic CLI. Take advantage of Live Reload, deployments, integrations, and even use your favorite JS framework’s CLI. -
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Semantic UI
UI framework designed for theming
Semantic UI is a development framework that lets you create beautiful, custom and responsive website layouts using human-friendly HTML. The syntax used is based on natural language, so concepts are linked intuitively. Semantic UI utilizes concise HTML, intuitive JavaScript and simplified debugging, making front-end development an absolute dream for developers. Semantic UI is partnered with popular frameworks React, Angular, Meteor, Ember and many others so you can easily integrate it and organize your UI layer with your application logic. Semantic UI comes with over 3,000 high level theming variables and just about every layout option you can think of, giving you complete design freedom. It also has over 50 UI components enabling you to build your entire site with just one stack and share your UI between a number of different projects. -
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Shimmer for Android
An easy way to add a shimmering effect to any view in an Android app
Shimmer is an Android library that provides an easy way to add a shimmer effect to any view in your Android app. It is useful as an unobtrusive loading indicator that was originally developed for Facebook Home. Shimmer for Android is implemented as a layout, which means that you can simply nest any view inside a ShimmerFrameLayout tag, and call to start the animation from your code. That's all that is required. The layout will use the values you specify either on the tag (using custom attributes) or programmatically in your code, and generate an animation on the fly. See the API reference for further details. Note that you cannot use the custom attributes on the tag if you use the Jar file. You can instead download the AAR file and reference that locally in your project. You can use the included Gradle wrapper to build the Shimmer library and sample application locally as well. -
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Avalonia
A cross-platform UI framework for .NET
Avalonia is a cross-platform UI framework for dotnet, providing a flexible styling system and supporting a wide range of Operating Systems such as Windows, Linux, macOS. Avalonia is mature and production-ready. We also have in beta release support for iOS, Android and in early stages support for browsers via WASM. Avalonia is open source, free to use, and always will be. Clone the source today to dig deeper. The free VS extension provides everything needed to start, including a XAML previewer. JetBrains deep understanding of Avalonia shines through with rich Rider and R# support. Deploy to the platforms you care about with ease. Leverage existing knowledge, code and packages to kickstart your project. Get the support your project needs with one of our commercial support agreements. Help you can count on. JetBrains delivers huge productivity gains for Avalonia developers. -
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Best Flutter UI Templates
completely free for everyone. Its build-in Flutter Dart
This repository is a large collection of high-quality Flutter UI templates covering a wide variety of app categories. It includes templates for e-commerce, fitness, hotel booking, chat/messaging, finance, and more. Each template provides ready-made screens with polished visuals, iconography, and color schemes designed for production-level apps. The layouts are responsive and customizable, helping developers save time when prototyping or launching apps. The project is structured modularly so developers can pick and choose specific screens or flows instead of using the entire template. It’s one of the most comprehensive UI repositories for Flutter, serving both as a design inspiration library and a starting point for actual app development. -
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E-commerce Complete Flutter UI
The FlutterShop template makes it easier to develop an e-commerce app
This project is a complete e-commerce application UI built with Flutter, showcasing every essential screen in a modern shopping experience. It includes layouts for onboarding, product listings, categories, detailed product pages, carts, checkout flows, and user profile sections. The UI follows clean, professional design patterns with attention to consistent spacing, typography, and component reuse. Interactive elements like carousels, tabs, and responsive grids are integrated to simulate real-world app behavior. Though it doesn’t implement backend functionality, the structure allows developers to easily plug in APIs or Firebase for a production-ready app. Its purpose is both to provide inspiration for design and to act as a boilerplate for developers starting an e-commerce project. -
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JavaCV
Java interface to OpenCV, FFmpeg, and more
JavaCV uses wrappers from the JavaCPP Presets of commonly used libraries by researchers in the field of computer vision (OpenCV, FFmpeg, libdc1394, FlyCapture, Spinnaker, OpenKinect, librealsense, CL PS3 Eye Driver, videoInput, ARToolKitPlus, flandmark, Leptonica, and Tesseract) and provides utility classes to make their functionality easier to use on the Java platform, including Android. JavaCV also comes with hardware accelerated full-screen image display (CanvasFrame and GLCanvasFrame), easy-to-use methods to execute code in parallel on multiple cores (Parallel), user-friendly geometric and color calibration of cameras and projectors (GeometricCalibrator, ProCamGeometricCalibrator, ProCamColorCalibrator), detection and matching of feature points (ObjectFinder), a set of classes that implement direct image alignment of projector-camera systems (mainly GNImageAligner, ProjectiveTransformer, ProjectiveColorTransformer, ProCamTransformer, and ReflectanceInitializer), and more. -
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Mapbox
Native OpenGL powered Maps, by Mapbox
nativescript-mapbox is a NativeScript plugin for integrating Mapbox maps into mobile applications. It offers customizable maps, marker support, and interactive features suitable for location-based apps. -
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Zulip Mobile
Zulip mobile apps for Android and iOS
Zulip for Windows is even better than Zulip on the web, with a cleaner look, tray integration, native notifications, and support for multiple Zulip accounts. Zulip Mobile is the official mobile Zulip client, supporting both iOS and Android. -
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react-native-nfc-manager
React Native NFC module for Android & iOS
Bring NFC feature to React Native. Inspired by phonegap-nfc and react-native-ble-manager. React Native NFC module for Android & iOS. -
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Android System Bar Tint
Apply background tinting to the Android system UI
Apply background tinting to the Android system UI when using KitKat translucent modes. Android 4.4 (KitKat) introduced translucent system UI styling for status and navigation bars. These styles are great for wallpaper based activities like the home screen launcher, but the minimal background protection provided makes them less useful for other types of activity unless you supply your own backgrounds inside your layout. Determining the size, position and existence of the system UI for a given device configuration can be non-trivial. This library offers a simple way to create a background "tint" for the system bars, be it a color value or Drawable. By default it will give you a semi-opaque black background that will be useful for full-bleed content screens where persistent system UI is still important - like when placed over a map or photo grid. -
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Droid-ify
F-Droid client with Material UI
A quick material F-Droid client. -
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Flutter Go
Demos and documentation for over 140 Flutter UI components
flutter-go is a community-driven Flutter application that serves as an interactive catalog of Flutter widgets, layouts, and patterns. It organizes the Flutter ecosystem into browsable categories—basic widgets, material components, Cupertino elements, layout primitives, and animation demos—so learners can see how pieces behave in a running app. Each entry typically includes a live example, code snippet, and brief notes on properties or usage, turning the app into a hands-on reference you can run on your phone. The project targets newcomers and teams evaluating Flutter by shortening the path from documentation to tangible UI behavior. Because it’s itself a Flutter app, it demonstrates real project structure, navigation, state handling, and theming in practice. The result is a practical companion for discovery and prototyping, helping developers move from curiosity to confident implementation more quickly. -
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Flutter Responsive Admin Panel
Responsive Admin Panel or Dashboard using Flutter
This is a responsive admin/dashboard UI template built in Flutter. It is designed to work across platforms (web, desktop, mobile) and offers prebuilt UI elements (charts, tables, cards, etc.) so developers can use it as a backend UI scaffold. -
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UI Kitten
React Native UI library based on Eva Design System
A React Native framework for creating stunning cross-platform mobile applications. Design system-based, UI Kitten brings your product from an MVP to the final product version. Forever open source and free! UI Kitten is a React Native implementation of the Eva Design System. The framework contains a set of general-purpose UI components styled in a similar way. The most awesome thing about Ui Kitten is that the themes can be changed in the runtime without reloading the application. This way, you may easily focus on business logic, while UI Kitten takes care of the visual appearance of your product. Unlock the true power of the theming system by switching between Light and Dark themes in the runtime. Drive diversity by creating as many themes as needed without changing the source code of the components. Construct stunning and consistent interfaces using atomic components by following the Eva Design System specifications. -
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VasSonic
Hybrid framework to speed up the first screen of websites
VasSonic is a lightweight and high-performance Hybrid framework developed by tencent VAS team, which is intended to speed up the first screen of websites working on Android and iOS platform. VasSonic is a lightweight and high-performance Hybrid framework developed by tencent VAS team, which is intended to speed up the first screen of websites working on Android and iOS platform. Not only does VasSonic supports the static or dynamic websites which are rendered by server, but it is also compatible with web offline resource perfectly. VasSonic uses custom url connection instead of original network connection to request the index html, so it can request resource in advance or parallel to avoid waiting for the view initialization. In this parallel case, VasSonic can read and render partial data by WebKit or Blink kernel without spending too much time waiting for the end of data stream. -
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bxSlider
Responsive jQuery content slider
The fully-loaded, responsive jQuery content slider. 4.2.0 Introduces a streamlined build process using gulp. Along with this new build process the projects folder structure has been changed. You will find a dist folder with all assets ready to use, including both minified and unminified versions of the javascript. These assets should be ready to go. In src you will find the uncompiled assets, including a new less version of the css for bxslider. This is an important step for bxslider. It will help speed development up and keep work clean. It also paves the way for a big revamp we have planned in the future. -
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react-native-action-sheet
A cross-platform ActionSheet for React Native
React Native Action Sheet is a cross-platform React Native component that uses the native UIActionSheet on iOS and a pure JS implementation on Android. ReactNativeActionSheet uses React context to allow your components to invoke the menu. -
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YouTube Downloader ArmoMan
An android application to download audio (mp3) from YouTube videos.
An android application to download audio (mp3) from YouTube videos and from playlists. YouTube Downloader ArmoMan is an intuitive Android application designed to empower users to effortlessly extract high-quality MP3 audio from YouTube videos and playlists. With a user-friendly interface and a host of convenient features, this app simplifies the process of downloading and enjoying your favorite YouTube content in audio format. Download from SourceForge or GitHub. GitHub download page: https://github.com/ArmoMan/YouTube-Downloader-ArmoMan/releases GitHub: https://github.com/ArmoMan/YouTube-Downloader-ArmoMan Please, if there are bugs, feel free to contact us.
