MultilingualPress is a new lightweight and clean solution for multilingual, without any performance loss, the best solution for SEO, WooCommerce capable and no conflict issues with other plugins. On top of the powerful core feature Multisite, it enables you to create a network of sites in different languages, all interconnected with and related to each other.
You can get the plugin on wordpress.org or the pro version on http://multilingualpress.pro/
MultilingualPress is a product of marketpress.com, an online platform of themes and plugins, created by a German team of over 20 WordPress enthusiasts!