- https://github.com/wireapp/wire-android
- https://github.com/nickbutcher/plaid
- https://github.com/googlesamples/android-UniversalMusicPlayer
- https://github.com/google/iosched
- https://github.com/chrisbanes/philm
- https://github.com/chrisbanes/cheesesquare
- https://github.com/rahulparsani/material-calculator
- https://github.com/romannurik/Android-WizardPager
- https://github.com/romannurik/Android-SwipeToDismiss
- https://github.com/lgvalle/Material-Animations
- https://github.com/daimajia/AndroidViewAnimations