视频播放器（IJKplayer、ExoPlayer、MediaPlayer），HTTPS，16k page size，支持弹幕，外挂字幕，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 ，列表全屏动画，视频加载速度，列表小窗口支持拖…

Luban(鲁班)—Image compression with efficiency very close to WeChat Moments/可能是最接近微信朋友圈的图片压缩算法

FreeAndroid

A framework for building native applications using React

Event bus for Android and Java that simplifies communication between Activities, Fragments, Threads, Services, etc. Less code, better quality.

Xcode plug-in that provides autocomplete for imageNamed: calls

Android Image & Camera Filters Based on OpenGL.

Vitamio for Android

共同头部+ViewPager+ListView http://blog.csdn.net/w7822938/article/details/47173047

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

An Android library for managing images and the memory they use.