Top 20 NuGet localization Packages

Localizy.AspNetCore
Localizy
The tool converts Visual Studio resources (*.resx files) into client-side js-files for loading via RequireJS i18n plugin (see http://requirejs.org/docs/api.html#i18n) or i18next (see http://i18next.com/)
Handling plurals of nouns or unit expressions.
Localization helpers for resw files.
Localization libarary for IGAWorks.
.NET Core 2.0 Localizer
MVC project Localization via XML fields
Helper class for sitefinity localization, ideal for api l10n
Template-based translation with dictionaries
Yaml.I18N.Net for Xamarin iOS/Android/PCL
Embeddable translation in code, views, controllers, etc.
Brings nice support to multiple language and cultures. Documentation in the next days...
Centralized dictionary service contracts