Open Source Android Apps - Page 30
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Aztec
A reusable native Android rich text editor component
Aztec (which extends EditText) is a rich-text editor component for writing HTML documents in Android. You can check the minimum Android version supported by looking at the minSdkVersion configuration within build.gradle. There is an optional list type you can enable in the editor. In addition to ordered and unordered lists you can use task list. A task list is an unordered list that shows and saves checkboxes instead of bullets. By default, Aztec allows nested blocks. In certain cases, this doesn't have to be the preferred behavior. There is an option to disable nested blocks. When switched, this editor will always add media and horizontal rules after the currently selected block, not in the middle of it. Aztec now supports placeholders to draw views that are not natively supported by the EditText and Spannable API. The functionality creates a span in the visual editor and draws an Android view over it. -
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CPU Features
A cross platform C99 library to get cpu features at runtime
cpu_features is a cross-platform C library developed by Google that provides a simple and efficient way to detect available CPU features at runtime across a wide range of architectures and operating systems. It enables applications to determine which instruction sets (such as SSE, AVX, or NEON) are supported on the host machine, allowing developers to optimize performance dynamically. The library supports numerous architectures—including x86, ARM, AArch64, MIPS, POWER, RISCV, LoongArch, and s390x—and works on major operating systems like Linux, macOS, Windows, FreeBSD, Android, and iOS. Implemented in portable C99, it is thread-safe, has no memory allocations, and raises no exceptions, making it suitable even for use in low-level system libraries. The design emphasizes portability, extensibility, and compatibility with sandboxed or restricted environments where direct CPU access may be limited. -
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Cocos Engine
Cocos simplifies game creation and distribution with Cocos Creator
The Cocos Engine repository powers the open-source core of Cocos Creator, a cross-platform game engine and editor designed for building 2D and 3D games for web and native targets. It aims to simplify game creation and distribution, with support for high-performance rendering, physics, scene management, asset pipelines, and more. The engine is built using a mix of C++ (for performance-critical systems) and TypeScript/JavaScript (for scripting), enabling developers to script game logic while relying on a robust, high-performance core. Because of its cross-platform nature, games built with cocos-engine (via Cocos Creator) can target mobile, desktop, and web, making it a popular choice for developers wanting flexibility and broad reach. The engine includes extensive tooling and example/demo projects to demonstrate 2D and 3D physics, animation, UI and rendering capabilities. -
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CogAgent
An open sourced end-to-end VLM-based GUI Agent
CogAgent is a 9B-parameter bilingual vision-language GUI agent model based on GLM-4V-9B, trained with staged data curation, optimization, and strategy upgrades to improve perception, action prediction, and generalization across tasks. It focuses on operating real user interfaces from screenshots plus text, and follows a strict input–output format that returns structured actions, grounded operations, and optional sensitivity annotations. The model is designed for agent-style execution rather than freeform chat, maintaining a continuous execution history across steps while requiring a fresh session for each new task. Inference supports BF16 on NVIDIA GPUs, with optional INT8 and INT4 modes available but with noted performance loss at INT4; example CLIs and a web demo illustrate bounding-box outputs and operation categories. -
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E5SubBot
Telebot for E5 Renewal
A simple Telegram bot for E5 renewal. -
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Ever Traduora Platform
Open-source translation management platform
Teams use Ever Traduora to reach users all around the globe. Automate your translation workflow today. Import and export the most common formats, work together with your team, instantly deliver translation updates over the air, and more! Traduora is the perfect home for managing your translation workflow. Setup your project in seconds, find what you're looking for with instant search, edit your translations and seamlessly deliver them with over-the-air updates. Traduora has been carefully designed for ease of use and productivity. Invite your team, assign roles and permissions - everyone can work together on the same project. Integrate Traduora into your workflow via our secure API. Control who has access to your project's data via API keys. Web and Mobile SDKs coming soon for the most popular frameworks. We currently support JSON flat and nested, CSV, YAML flat and nested, Java Properties, XLIFF 1.2, Gettext (po), Apple Strings, Android Resources (XML), and more coming soon! -
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FFmpeg-Video-Editor
Sample android project using ffmpeg for cutting and compressing video
FFmpeg-Video-Editor-Android is an Android application project that demonstrates how to implement video editing features using FFmpeg within a mobile environment. It provides tools for trimming, merging, and converting video files directly on the device without relying on external services. The project integrates FFmpeg libraries with Android components, enabling efficient media processing through native execution. It includes a user interface that allows users to select files, configure operations, and preview results. The application is designed as both a functional editor and a learning resource for developers exploring multimedia processing on Android. It emphasizes ease of integration and real-time feedback during editing operations. Overall, it showcases how to build a mobile video editor powered by FFmpeg. -
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Flutter InAppWebView Plugin
A Flutter plugin that allows you to add an inline webview
A Flutter plugin that allows you to add an inline WebView, to use a headless WebView, and to open an in-app browser window. Adding the InAppWebView widget into your app is very simple. It’s just a widget like any other Flutter widget. Use InAppBrowser or ChromeSafariBrowser to open an in-app browser! ChromeSafariBrowser is based on Chrome Custom Tabs on Android and on SFSafariViewController on iOS. Create a Class that extends the InAppBrowser/ChromeSafariBrowser Class in order to override the callbacks to manage the browser events. It can be used to run a WebView in background without attaching an InAppWebView to the widget tree. As InAppWebView, it has the same options and events. Use InAppWebViewController to control the headless WebView instance. -
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Flutter Server Box
ServerBox - server status & toolbox
Flutter Server Box (aka ServerBox) is a Flutter app that monitors and manages Linux servers. It provides charts for CPU, memory, disk, network, and tools like SSH terminal, file manager, and commands via dartssh2 & xterm.dart. Available on iOS, Android, desktop, and TV platforms, it's community-acclaimed as a lightweight alternative to Termius/ServerCat. -
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FullTClash
General proxy performance testing tool based on Clash using Telegram
Back end part useClash project(It can also be called nowmihomo)The relevant code is used as the outing agent. The front end part uses Telegram API as the interactive interface, which needs to be used in conjunction with Telegram, that is, a Telegram robot (bot), FullTClash bot is a Telegram robot (hereinafter referred to as bot) carrying its test tasks. -
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LSD
LSDeluxe for commands
This project is heavily inspired by the super colorls project but with some little differences. For example it is written in rust and not in ruby which makes it much faster. Install the patched fonts of powerline nerd-font and/or font-awesome. Have a look at the Nerd Font README for more installation instructions. Don't forget to setup your terminal in order to use the correct font. lsd can be configured with a configuration file to set the default options. On non-Windows systems lsd follows the XDG Base Directory Specification convention for the location of the configuration file. The configuration dir lsd uses is itself named lsd. On Windows systems lsd only looks for the config.yaml files in one location. You can also provide a configuration file from a non standard location. -
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Maru OS
Your phone is your PC
Welcome to the Maru OS Project. Maru makes personal computing more context-aware by giving you the best interface for your environment. That means when you're on the go, Maru is your phone; when you're at your desk, Maru is your desktop. It's that simple. To be more precise, Maru is an operating system that enables interactive virtual environments on Android. It's based on the Android Open Source Project and focuses on mobile hardware. It uses lightweight OS virtualization (containers) to spin up virtual systems on demand and provides a bridge into Android's I/O framework for interactivity. Unleash your mobile device with Maru, a context-aware, lightweight, open operating system that unites mobile and desktop computing. -
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MockK
Mocking library for Kotlin
All you need to get started is just to add a dependency to MockK library. Simplest example. By default mocks are strict, so you need to provide some behavior. -
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MonsterMusic
A music player on android platform, developed by Andoroid composer
MonsterMusic is a command-line utility to manage and download music from various online platforms. -
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MovieHunt
Movie Android App written in Kotlin, MVVM, RxJava, Jetpack Compose
MovieHunt is a sample Android project using The Movie DB API based on MVVM architecture. It showcases the latest Android tech stacks with well-designed architecture and best practices. -
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Mozilla JPEG Encoder Project
Improved JPEG encoder
MozJPEG improves JPEG compression efficiency achieving higher visual quality and smaller file sizes at the same time. It is compatible with the JPEG standard, and the vast majority of the world's deployed JPEG decoders. MozJPEG is compatible with the libjpeg API and ABI. It is intended to be a drop-in replacement for libjpeg. MozJPEG is a strict superset of libjpeg-turbo's functionality. All MozJPEG's improvements can be disabled at run time, and in that case it behaves exactly like libjpeg-turbo. MozJPEG is meant to be used as a library in graphics programs and image processing tools. We include a demo cjpeg command-line tool, but it's not intended for serious use. We encourage authors of graphics programs to use libjpeg's C API and link with MozJPEG library instead. Progressive encoding with "jpegrescan" optimization. It can be applied to any JPEG file (with jpegtran) to losslessly reduce file size. -
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NotyKT
Complete Kotlin-stack (Backend + Android) application
NotyKT is the complete Kotlin-stack note-taking application built to demonstrate a use of Kotlin programming language in server-side and Modern Android development tools. Dedicated to all Android Developers. -
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OGRE
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
OGRE (Object-Oriented Graphics Rendering Engine) is a scene-oriented, flexible 3D engine written in C++ designed to make it easier and more intuitive for developers to produce games and demos utilizing 3D hardware. The class library abstracts all the details of using the underlying system libraries like Direct3D and OpenGL and provides an interface based on world objects and other intuitive classes. We consider the results of our GL3Plus RenderSystem as the gold standard. The respective shaders are generated by the RTSS component with per-pixel specular lighting. Therefore the legacy render systems naturally have differences due to the use of fixed-function. However, when rendering diffuse surface both produce pixel-perfect results. Simple, easy to use OO interface designed to minimise the effort required to render 3D scenes, and to be independent of 3D implementation i.e. Direct3D/OpenGL. -
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Open QR Code
Open QR Code is an open-source, cross-platform app
Open QR Code is an open-source cross-platform application developed using Flutter as main framework used to build the application, in common C, C++, Dart, Skia (a 2D rendering engine), and Impeller (the default rendering engine on iOS), Java, Kotlin. Open QR Code allows users to generate and scan QR codes effortlessly. The app is available on Android, Windows, and the Web. Users can generate QR codes from any text input, save them to their gallery, share them directly from the app, and scan QR codes to retrieve encoded information. Whether you're on Android, Windows, or the Web, you can create and share QR codes or scan them with a single click. -
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Orgzly
Outliner for taking notes and managing to-do lists
An Android-based note-taking app focused on productivity and organization, using the Org mode format. -
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QrAndBarcodeScanner
An Android app for scanning QR codes and barcodes
QR & Barcode Scanner is an ad-free, open-source scanner app. It uses the ZXing scanning library. -
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React Native Elements
Cross-Platform React Native UI Toolkit
A React Native framework for making cross-platform applications. As a cross-platform UI Toolkit, you can now use RNE on the web & share your codebase between your React Native + React web apps. RNE components are rendered perfectly on browser. You can achieve this to target iOS, Android and Web by collaborating RNE and React Native for Web. Consistent design across android, iOS, and web. 30+ components designed to save development time. Built completely in TypeScript. Starting your react native app has never been easier. Supports Expo too! Easily style any of our components just the way you want. 100% built by the community. We're here because we love open source. -
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React Native Owl
Visual regression testing library for React Native
React Native Owl is a visual regression testing library for React Native that enables developers to introduce visual regression tests to their apps for iOS and Android. Being heavily inspired by Detox, an end-to-end testing and automation framework, this library uses a similar API that makes setting up react-native-owl and running the tests locally and on your preferred CI service seamless. While Detox focuses on end-to-end testing in general, React Native Owl focuses on visual regression testing and helping you catch unexpected changes to the visual appearance of your app over time. -
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React Native Voice
React Native Voice Recognition library for iOS and Android
A speech-to-text library for React Native. Manually or automatically link the NativeModule. Drag the Voice.xcodeproj from the @react-native-voice/voice/ios folder to the Libraries group on Xcode in your project. Click on your main project file (the one that represents the .xcodeproj) select Build Phases and drag the static library, lib.Voice.a, from the Libraries/Voice.xcodeproj/Products folder to Link Binary With Libraries. The plugin provides props for extra customization. Every time you change the props or plugins, you'll need to rebuild (and prebuild) the native app. If no extra properties are added, defaults will be used. While the included VoiceTest app works without explicit permissions checks and requests, it may be necessary to add a permission request for RECORD_AUDIO for some configurations. Since Android M (6.0), user need to grant permission at runtime (and not during app installation). -
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Record You
Privacy focused recorder app built with MD3
Privacy-focused voice and screen recorder app built with MD3.
