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.
The Menu Multilingual module provides multilingual features for menu blocks, to filter out menu items that do not have translated labels or link to untranslated content.
Stemmer service built with PHP Stemmer, supporting: English, French, German, Italian, Spanish, Portuguese, Russian, Romanian, Dutch, Swedish, Norwegian, Danish. The ^2.0 version uses version 2 of the stemmer and will automatically support other languages it adds, this already includes Catalan.
Works with Search API, you just need to enable the processor, and core search which will work on reindexing after installation.