Beginner
- Recyclerview
- FastAdapter - https://github.com/mikepenz/FastAdapter
- AdapterDelegate - https://github.com/sockeqwe/AdapterDelegates / Groupie - https://github.com/lisawray/groupie / Epoxy - https://github.com/airbnb/epoxy
- FAB
- FloatingActionButton - https://github.com/futuresimple/android-floating-action-button
- Dialogs
- Material Dialogs - https://github.com/afollestad/material-dialogs
- Networking
- OkHttp - https://github.com/square/okhttp