1. Android Tablayouthelper
A small library which helps to use TabLayout with ViewPager more easily.
2. Android Advancedrecyclerview
RecyclerView extension library which provides advanced features. (ex. Google's Inbox app like swiping, Play Music app like drag and drop sorting)
3. Android Materialshadowninepatch
Provides 9-patch based drop shadow for view elements. Works on API level 9 or later.
4. Android Verticalseekbar
Vertical SeekBar class which supports Android 4.x - 9.x.
5. Android Openslmediaplayer
Re-implementation of Android's MediaPlayer and audio effect classes based on OpenSL ES APIs.
6. cxxdasp
"cxxdasp" : Digital Audio Signal Processing library for C++
1-7 of 7 user projects