Navigation

• React Navigation - https://reactnavigation.org/

File upload/download

• rn-fetch-blob - https://github.com/joltup/rn-fetch-blob

File picker

• react-native-document-picker - https://github.com/Elyx0/react-native-document-picker

File system

• react-native-fs - https://github.com/itinance/react-native-fs

Sound player

• react-native-sound - https://github.com/zmxv/react-native-sound
• react-native-sound-player - https://github.com/johnsonsu/react-native-sound-player

Icon

• react-native-vector-icon - https://github.com/oblador/react-native-vector-icons

Sortable view

• react-native-sortable-list - https://github.com/gitim/react-native-sortable-list
• react-native-draggable-flatlist - https://www.npmjs.com/package/react-native-draggable-flatlist