DBs (caching, offline storage) - leotm/react-native-template-new-architecture GitHub Wiki
Async Storage
RN async, persistent, key-value storage system
https://github.com/react-native-async-storage/async-storage
MMKV
...fastest key/value storage... ~30x faster than AsyncStorage!
https://github.com/mrousavy/react-native-mmkv
Sync - Firebase
WatermelonDB
Reactive & async DB, scales, stays fast
https://github.com/Nozbe/WatermelonDB
Realm
mobile DB alternative to SQLite & key-value stores
https://github.com/realm/realm-js
PouchDB
w async storage
https://github.com/seigel/pouchdb-react-native
SQLite
expo-sqlite
https://github.com/expo/expo/tree/master/packages/expo-sqlite
react-native-sqlite-storage
https://github.com/andpor/react-native-sqlite-storage