Karl Qiu

FreeDomain. DigitalPlat FreeDomain: Free Domain For Everyone

open-code-review. Open-source & free — Battle-tested at Alibaba's scale. Hybrid architecture code review tool: deterministic pipelines + LLM Agent, precise line-level comments, built-in fine-tuned ruleset (NPE, thread-safety, XSS, SQL injection), OpenAI & Anthropic compatible.

baoyu-skills. TypeScript

Mini-Agent. A minimal yet professional single agent demo project that showcases the core execution pipeline and production-grade features of agents.

ComposeMarkdown. markdown, compose

learn-claude-code. Bash is all you need - A nano claude code–like 「agent harness」, built from 0 to 1

browser-use. 🌐 Make websites accessible for AI agents. Automate tasks online with ease.

btrace. 🔥🔥 btrace (AKA RheaTrace) is a high-performance Android & iOS tracing tool built on Perfetto. It not only times your methods but also reveals why they’re slow.

ByteX. ByteX is a bytecode plugin platform based on Android Gradle Transform API and ASM. 字节码插件开发平台

rectg. Telegram 中文频道、群组与机器人精选索引，结合自动化抓取与人工整理，支持在线搜索与分类浏览。

FFmpegMediaPlayer. FFmpegMediaPlayer can be used to control playback of audio/video files and streams.

NestedRecyclerView. 🔥Copied the homepage of taobao and jd.com, and realized the TAB ceiling effect through two-layer nesting RecyclerView .

CMWTAT_Digital_Edition. CloudMoe Windows 10/11 Activation Toolkit get digital license, the best open source Win 10/11 activator in GitHub. GitHub 上最棒的开源 Win10/Win11 数字权利（数字许可证）激活工具！

AppStarter. Android Application Initialized Task Dispatcher

ffmpeg4android. 音视频学习实践，从移植ffmpeg库到android平台，混合编译x264库以及fdk-aac库，到相机音频采集编码推流到RTMP服务器的学习记录

camera-samples. Multiple samples showing the best practices in camera APIs on Android.

FFmpegCommand. FFmpegCommand适用于Android的FFmpeg命令库，实现了对音视频相关的处理，能够快速的处理音视频，大概功能包括：音视频剪切，音视频转码，音视频解码原始数据，音视频编码，视频转图片或gif，视频添加水印，多画面拼接，音频混音，视频亮度和对比度，音频淡入和淡出效果等

LearnFFmpeg. Android FFmpeg 音视频开发教程

FFmpegAndroid. FFmpeg实现视频裁剪、水印、转码、编解码、转Gif动图；FFmpeg本地推流、H264与RTMP实时推流直播；OpenGL滤镜特效，视频拍摄。音视频学习路线，音视频知识总结、流媒体协议

CyberController. CyberController

user-interface-samples. Multiple samples showing the best practices in the user interface on Android.

waveformSeekBar. Android Waveform SeekBar library

AudioRecorder. Audio Recording Android application

HowToCook. Programmer's guide about how to cook at home.

ringdroid. Java

AudioFun. 声音处理 变声 音频降噪 webrtc soundtouch fmod

oboe. Oboe is a C++ library that makes it easy to build high-performance audio apps on Android.

BetterDisplay. Unlock your displays on your Mac! Flexible HiDPI scaling, XDR/HDR extra brightness, virtual screens, DDC control, extra dimming, PIP/streaming, EDID override and lots more!

Jetpack-MVVM-Best-Practice. 难得一见 Jetpack MVVM 最佳实践。在 "以简驭繁" 代码中，对 "视图控制器" 乃至 "标准化开发模式" 形成正确、深入理解。

sunflower. A gardening app illustrating Android development best practices with migrating a View-based app to Jetpack Compose.

xCrash. 🔥 xCrash provides the Android app with the ability to capture java crash, native crash and ANR. No root permission or any system permissions are required.

flutter_boost. FlutterBoost is a Flutter plugin which enables hybrid integration of Flutter for your existing native apps with minimum efforts

DoKit. 一款面向泛前端产品研发全生命周期的效率平台。

android-advancedrecyclerview. RecyclerView extension library which provides advanced features. (ex. Google's Inbox app like swiping, Play Music app like drag and drop sorting)

obs-studio. OBS Studio - Free and open source software for live streaming and screen recording

grafika. Grafika test app

CainCamera. CainCamera is an Android Project to learn about development of beauty camera, image and short video

ELinkageScroll. 多子view嵌套滚动通用解决方案

android-gpuimage. Android filters based on OpenGL (idea from GPUImage for iOS)

librestreaming. Android real-time effect filter rtmp streaming library.using Mediacodec HWencoding&librtmp stream.

MMKV. An efficient, small mobile key-value storage framework developed by WeChat. Works on Android, iOS, macOS, Windows, POSIX, and OHOS.

ndk-samples. Android NDK samples with Android Studio

JavaGuide. Java 面试 & 后端通用面试指南，覆盖计算机基础、数据库、分布式、高并发、系统设计与 AI 应用开发

jadx. Dex to Java decompiler

PreviewSeekBar. A SeekBar suited for showing a preview of something. As seen in Google Play Movies.

uCrop. Image Cropping Library for Android

coding-interview-university. A complete computer science study plan to become a software engineer.

SmartRefreshLayout. 🔥下拉刷新、上拉加载、二级刷新、淘宝二楼、RefreshLayout、OverScroll，Android智能下拉刷新框架，支持越界回弹、越界拖动，具有极强的扩展性，集成了几十种炫酷的Header和 Footer。

mars. Mars is a cross-platform network component developed by WeChat.

android-interview-guide. An interview guide for Android development engineers.

matrix. Matrix is a plugin style, non-invasive APM system developed by WeChat.

AndroidPerformanceMonitor. A transparent ui-block detection library for Android. (known as BlockCanary)

lancet. A lightweight and fast AOP framework for Android App and SDK developers

FreeReflection. A library that lets you use reflection without any restriction above Android P

RePlugin. RePlugin - A flexible, stable, easy-to-use Android Plug-in Framework

lottie-android. Render After Effects animations natively on Android and iOS, Web, and React Native

Android-skin-support. Android-skin-support is an easy dynamic skin framework to use for Android, Only one line of code to integrate it. Android 换肤框架, 极低的学习成本, 极好的用户体验. "一行"代码就可以实现换肤, 你值得拥有!!!

UI2018. 用于结合“江澎涌”公众号分享 Android 高级 UI 知识点，形成知识体系

VideoDlnaScreen. 视频投屏，支持网络投屏和本地投屏

996.ICU. Repo for counting stars and contributing. Press F to pay respect to glorious developers.

Spotlight. Android Library that lights items for tutorials or walk-throughs etc...

VirtualAPK. A powerful and lightweight plugin framework for Android

AgentWeb. AgentWeb is a powerful library based on Android WebView.

dio. A powerful HTTP client for Dart and Flutter, which supports global settings, Interceptors, FormData, aborting and canceling a request, files uploading and downloading, requests timeout, custom adapters, etc.

anyRTC-RTMP-OpenSource. RTMP 推流器，RTMP(HLS)秒开播放器，直播点播，跨平台（Win,IOS,Android）开源代码

GeometricWeather. A Material Design Weather Application

PlusMenu. 仿微博、酷安点击加号揭露动画弹出菜单+背景模糊效果

DrawableToolbox. 🛠️ The missing drawable toolbox for Android. Create drawables programmatically and get rid of the boring and always repeated drawable.xml files.

ExpandableLayout. An expandable layout container for Android

android-hidden-api. A library that provides access to Android hidden APIs and internal resources.

ResumeSample. Resume template for Chinese programmers . 程序员简历模板系列。包括PHP程序员简历模板、iOS程序员简历模板、Android程序员简历模板、Web前端程序员简历模板、Java程序员简历模板、C/C++程序员简历模板、NodeJS程序员简历模板、架构师简历模板以及通用程序员简历模板

Resplash. Unofficial Unsplash Android App

ShimmerLayout. DEPRECATED - Memory efficient shimmering effect for Android applications by Supercharge.

Android. GitHub上最火的Android开源项目,所有开源项目都有详细资料和配套视频

chinese-independent-developer. 👩🏿‍💻👨🏾‍💻👩🏼‍💻👨🏽‍💻👩🏻‍💻中国独立开发者项目列表 -- 分享大家都在做什么

CS-Notes. :books: 技术面试必备基础知识、Leetcode、计算机操作系统、计算机网络、系统设计

free-programming-books-zh_CN. :books: 免费的计算机编程类中文书籍，欢迎投稿

android-ktx. A set of Kotlin extensions for Android app development.

kotlin. The Kotlin Programming Language.

uamp. A sample audio app for Android

flutter. Flutter makes it easy and fast to build beautiful apps for mobile and beyond

shadowsocks-android. A shadowsocks client for Android

barcodescanner. Barcode Scanner Libraries for Android

ShimmerRecyclerView. Kotlin

QMUI_Android. 提高 Android UI 开发效率的 UI 库

flexbox-layout. Flexbox for Android

Matisse. :fireworks: A well-designed local image and video selector for Android

free-programming-books. :books: Freely available programming books

bilibili-android-client. An unofficial bilibili client for android http://www.jianshu.com/p/f69a55b94c05 -- 该项目已停止维护！

MyNotebook. my notebook during college days

ENViews. :star2:A cool dynamic view library

litho. A declarative framework for building efficient UIs on Android.

MagicaSakura. MagicaSakura 是 Android 多主题框架。~ is an Android multi theme library which supporting both daily colorful theme and night theme.

AndroidVideoCache. Cache support for any video player with help of single line

AndroidPicker. 安卓选择器类库，包括日期及时间选择器（可用于出生日期、营业时间等）、单项选择器（可用于性别、民族、职业、学历、星座等）、二三级联动选择器（可用于车牌号、基金定投日期等）、城市地址选择器（分省级、地市级及区县级）、数字选择器（可用于年龄、身高、体重、温度等）、日历选日期择器（可用于酒店及机票预定日期）、颜色选择器、文件及目录选择器、图片选择器等……WheelPicker/DatePicker/TimePicker/OptionPicker/NumberPicker/LinkagePicker/AddressPicker/CarPlatePicker/CalendarPicker/ColorPicker/FilePicker/ImagePicker etc.

VerticalSlideView. 类似淘宝的商品详情页，继续拖动查看详情，其中拖动增加了阻尼，并且重写了ListView，GridView，ScrollView，WebView，RecyclerView 的 dispatchTouchEvent 方法，使用的时候无须额外的代码，可以任意嵌套使用。

gcm. Google Cloud Messaging - client libraries and sample implementations

ExpandableTextView. Android TextView that can expand and collapse.

shortbread. Android library that creates app shortcuts from annotations

FastHub. FastHub the ultimate GitHub client for Android.

Phonograph. A material designed music player for Android

stetho. Stetho is a debug bridge for Android applications, enabling the powerful Chrome Developer Tools and much more.

dexcount-gradle-plugin. A Gradle plugin to report the number of method references in your APK on every build.

jsoup. jsoup: the Java HTML parser, built for HTML editing, cleaning, scraping, and XSS safety.

okio. A modern I/O library for Android, Java, and Kotlin Multiplatform.

AvatarLabelView. 一个可配置的迷你版轻量级 Label 辅助类，支持多种配置效果。

PictureSelector. Picture Selector Library for Android or 图片选择器

hover. A floating menu library for Android.

AndroidSdkSourceAnalysis. android sdk 源码解析——旨在帮助Android开发者更好的学习Android！我们只是一群普通的程序员，但是，我们热爱分享，想热热闹闹的玩点有意义的事！如果你也想陪我们一起愉快的玩耍，欢迎加入我们！Issues认领分析文章！

Douya. 开源的 Material Design 豆瓣客户端（A Material Design app for douban.com）

MPAndroidChart. A powerful 🚀 Android chart view / graph view library, supporting line- bar- pie- radar- bubble- and candlestick charts as well as scaling, panning and animations.

okhttp. Square’s meticulous HTTP client for the JVM, Android, and GraalVM.

retrofit. A type-safe HTTP client for Android and the JVM

material-design-icons. Material Design icons by Google (Material Symbols)

Mysplash. An Unsplash Client

tinker. Tinker is a hot-fix solution library for Android, it supports dex, library and resources update without reinstall apk.

material-dialogs. 😍 A beautiful, fluid, and extensible dialogs API for Kotlin & Android.

DanmukuLight. Android上专为视频直播打造的轻量级弹幕库（100多kb）

MusicDNA. A Music Player for android that renders beautiful DNA(Visualization) of the currently playing music.

BoomMenu. A menu which can ... BOOM! - Android

TwinklingRefreshLayout. RefreshLayout that support for OverScroll and better than iOS. 支持下拉刷新和上拉加载的RefreshLayout,自带越界回弹效果，支持RecyclerView,AbsListView,ScrollView,WebView

android-oss. Kickstarter for Android. Bring new ideas to life, anywhere.

timber. A logger with a small, extensible API which provides utility on top of Android's normal Log class.

gvr-android-sdk. Google VR SDK for Android

yasea. RTMP live streaming client for Android

ShortcutBadger. An Android library supports badge notification like iOS in Samsung, LG, Sony and HTC launchers.

android-crop. Android library project for cropping images

Slidr. Easily add slide to dismiss functionality to an Activity

logger. ✔️ Simple, pretty and powerful logger for android

plaid. An Android app which provides design news & inspiration as well as being an example of implementing material design.

ExoPlayer. This project is deprecated and stale. The latest ExoPlayer code is available in https://github.com/androidx/media

JsBridge. android java and javascript bridge, inspired by wechat webview jsbridge

SmsObserverForAndroid. 这是一个用于拦截android实时短信的库,可以进行短信过滤,得到自己想要的内容,可以用于需要自动填写短信验证码的app项目

BluetoothHelper. Bluetooth Helper Library.—-蓝牙操作库

FastScroll. A ListView-like FastScroller for Android’s RecyclerView.

jekyll. :globe_with_meridians: Jekyll is a blog-aware static site generator in Ruby

java-design-patterns. Design patterns implemented in Java

open-source-android-apps. Open-Source Android Apps

dryrun. ☁️ Try the demo project of any Android Library

epoxy. Epoxy is an Android library for building complex screens in a RecyclerView

realm-java. Realm is a mobile database: a replacement for SQLite & ORMs

RxBinding. RxJava binding APIs for Android's UI widgets.

Depth-LIB-Android-. A library that gives depth to Views.

BaseRecyclerViewAdapterHelper. BRVAH:Powerful and flexible RecyclerAdapter

ExpandableTextView. Android's TextView that can expand/collapse like the Google Play's app description

search. Material You Search component for Android, SearchView

MagicIndicator. A powerful, customizable and extensible ViewPager indicator framework. As the best alternative of ViewPagerIndicator, TabLayout and PagerSlidingTabStrip —— 强大、可定制、易扩展的 ViewPager 指示器框架。是ViewPagerIndicator、TabLayout、PagerSlidingTabStrip的最佳替代品。支持角标，更支持在非ViewPager场景下使用（使用hide()、show()切换Fragment或使用setVisibility切换FrameLayout里的View等），http://www.jianshu.com/p/f3022211821c

Calligraphy. Custom fonts in Android the easy way...

Android-ConvenientBanner. Simple and convenient banner, loop viewpager with 3D effects

Small. A small framework to split app into small parts

DroidPlugin. A plugin framework on android,Run any third-party apk without installation, modification or repackage

RocooFix. another hotfix framework

XposedBridge. The Java part of the Xposed framework.

dexposed. dexposed enable 'god' mode for single android application.

Telegram. Telegram for Android source

AndroidInterview-Q-A. The top Internet companies android interview questions and answers.

android-zxingLibrary. 几行代码快速集成二维码扫描功能

AndroidNote. 安卓学习笔记

glide. An image loading and caching library for Android focused on smooth scrolling

ijkplayer. Android/iOS video player based on FFmpeg n3.4, with MediaCodec, VideoToolbox support.

banner. 🔥🔥🔥Banner 2.0 来了！Android广告图片轮播控件，内部基于ViewPager2实现，Indicator和UI都可以自定义。

awesome. 😎 Awesome lists about all kinds of interesting topics

Highlight. 一个用于app指向性功能高亮的库

android-open-project. A categorized collection of Android Open Source Projects, More powerful web version:

leakcanary. A memory leak detection library for Android.

Awesome-MaterialDesign. Collection of material design libs and res.

awesome-android-ui. A curated list of awesome Android UI/UX libraries

architecture-samples. A collection of samples to discuss and showcase different architectural tools and patterns for Android apps.

zxing. ZXing ("Zebra Crossing") barcode scanning library for Java, Android

AndroidUtilCode. :fire: Android developers should collect the following utils(updating).

androidannotations. Fast Android Development. Easy maintainance.

materialistic. A material-design Hacker News Android reader

PhotoView. Implementation of ImageView for Android that supports zooming, by various touch gestures.

iosched. The Google I/O Android App

Android-Tips. An awesome list of tips for Android.

DanmakuFlameMaster. Android开源弹幕引擎·烈焰弹幕使 ～

CircleImageView. A circular ImageView for Android

RoundedImageView. A fast ImageView that supports rounded corners, ovals, and circles.