https://bumptech.github.io/glide
http://square.github.io/picasso/
https://developer.android.com/training/volley
https://square.github.io/okhttp/
https://square.github.io/retrofit/
https://github.com/google/gson
https://github.com/square/moshi
https://github.com/jgilfelt/chuck
https://github.com/JakeWharton/ThreeTenABP
https://github.com/JakeWharton/timber
https://developer.android.com/training/data-storage/room/
https://github.com/ReactiveX/RxJava
https://github.com/infinum/Android-Goldfinger