Wordpress plugin for multiple languages.
http://wordpress.org/plugins/polylang/
Widgets · Translation · WordPress Plugins
Get access to data on 49,756 websites that are Polylang Customers. We know of 17,881 live websites using Polylang and an additional 31,875 sites that used Polylang historically and 7,555 websites in the United States.
Get a list of 49,756 websites using Polylang which includes location information, hosting data, contact details, 17,881 currently live websites and an additional 6,779 domains that redirect to sites in this list. 31,875 sites that used this technology previously and 7,555 websites in the United States currently using Polylang.