AndroidGodEye:A performance monitor tool for Android , you can easily monitor the performance of your app in real time in pc browser

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

An HTTP+HTTP/2 client for Android and Java applications.

This project aims to help more wireless development engineers understand and master the Android system by providing a series of tools and methods.

Type-safe HTTP client for Android and Java by Square, Inc.

多端统一开发框架，支持用 React 的开发方式编写一次代码，生成能运行在微信/百度/支付宝/字节跳动小程序、H5、React Native 等的应用。 https://taro.js.org/

Simple annotation-based API to handle runtime permissions.

🔥RxFFmpeg 是基于 ( FFmpeg 4.0 + X264 + mp3lame + fdk-aac ) 编译的适用于 Android 平台的音视频编辑、视频剪辑的快速处理框架，包含以下功能（视频拼接，转码，压缩，裁剪，片头片尾，分离音视频，变速，添加静态贴纸和gif动态贴纸，添加字幕，添加滤镜，添加背景音乐，加速减速视频，倒放音视频，音频裁剪，变声，混音，图片合成视频，视频解码图片等…

Netty project - an event-driven asynchronous network application framework

🙈程序员找工作黑名单，换工作和当技术合伙人需谨慎啊 更新有赞

一款开源的GIF在线分享App，乐趣就要和世界分享。

A tool for reverse engineering Android apk files

A fast build system that encourages the creation of small, reusable modules over a variety of platforms and languages.

Clean, lightweight protocol buffers for Android and Java.

Maybe the most robust Android Audio encapsulation library, with partial Rx support.

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

🔥崩溃日志手机端显示 ，测试妹妹的最爱，开发哥哥的小棉袄

An interview guide for Android development engineers.

A powerful and lightweight plugin framework for Android

RxJava – Reactive Extensions for the JVM – a library for composing asynchronous and event-based programs using observable sequences for the Java VM.

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

A standalone Java Decompiler GUI

Tools to work with android .dex and java .class files

Render After Effects animations natively on Android and iOS, Web, and React Native

视频播放器（IJKplayer、ExoPlayer、MediaPlayer），HTTPS支持，支持弹幕，支持滤镜、水印、gif截图，片头广告、中间广告，多个同时播放，支持基本的拖动，声音、亮度调节，支持边播边缓存，支持视频本身自带rotation的旋转（90,270之类），重力旋转与手动旋转的同步支持，支持列表播放 ，直接添加控件为封面，列表全屏动画，视频加载速度，列表小窗口支持拖动，动画效…

📙 中华新华字典数据库。包括歇后语，成语，词语，汉字。

An android library for displaying fps from the choreographer and percentage of time with two or more frames dropped

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

A library for converting Adobe AE shape based animations to a data format and playing it back on Android and iOS devices.