1、图片滤镜：

https://github.com/CyberAgent/android-gpuimage.git

2、activity左右滑动：

https://github.com/ikew0ng/SwipeBackLayout.git

https://github.com/bushijie/ParallaxSwipeBack.git

3、一个流式接口的Sqlite库：

https://github.com/pushtorefresh/storio

4、一个可以让你很方便的给App添加操作提示导航的库

https://github.com/worker8/TourGuide

5、日历开源代码：

https://github.com/prolificinteractive/material-calendarview.git

6、materialdialog

https://github.com/drakeet/MaterialDialog

7、ReactiveNetwork（网络监听）

https://github.com/pwittchen/ReactiveNetwork/tree/master/library

8、ListViewWithSofPpanel

https://github.com/nimengbo/ListViewWithSofPpanel