Internationalisation (Localisation)

FBT

https://github.com/facebook/fbt/tree/rn-demo-app

react-i18next

https://github.com/i18next/react-i18next/tree/master/example/react-native

lokalise (premuim)

https://lokalise.com

GitHub Student Developer Pack

POEditor (no RN support)

Crowdin

https://github.com/crowdin/react-native-sdk

Phrase

https://help.phrase.com/help/react-native-sdk-installation-instructions

Transifex Native

https://developers.transifex.com/docs/react-native-sdk