1. Volley Library
» Website: https://google.github.io/volley/
» GitHub: https://github.com/google/volley
2. Lottie Library
» Website: https://lottiefiles.com/
» GitHub: https://github.com/airbnb/lottie-android
» SetUp: https://lottiefiles.com/blog/working-with-lottie/getting-started-with-lottie-animations-in-android-app
3. CircleImageView
» GitHub: https://github.com/hdodenhof/CircleImageView
4. ImageSlideshow
» GitHub: https://github.com/denzcoskun/ImageSlideshow
5. Picasso
» Website: https://square.github.io/picasso/
» GitHub: https://github.com/square/picasso