i18next is a flexible JSON approach that works with all modern tech stacks, including libraries for React, Angular, Node, iOS, Ruby on Rails.
i18next goes beyond just providing the standard i18n features such as (plurals, context, interpolation, format). It provides you with a complete solution to localize your product from web to mobile and desktop.
You can use Localazy with i18next to localize your software. See the list of available integrations