Provide tools for translation and display of text in multiple languages and support for regionalization/localization for dates, numbers, currency, measurement, or other local contexts.
This module allows you to easily translate strings without using Drupal's own mechanism that is way too difficult to use (too many clicks to translate single locale string).
Content Language Access Module restricts the access of only contents with language (except neutral language) that are equal of the actual Drupal language being accessed or others that were previous