WPML Multilingual Plugin makes it easy to run a multilingual website with a single WordPress install. Choose languages for your site and start translating content. The default install comes with over 40 languages. You can also add your own language variants (like Canadian French or Mexican Spanish) using WPML’s languages editor.
The following plugins are included:
cred-frontend-translation v1.1
gravityforms-multilingual v1.2
jogoshop-multilingual v1.1
sitepress-multilingual-cms v3.1.5
woocommerce-gateways=country-limiter v1.0.2
wpml-cms-nav v1.4.3
wpml-marketpress v1.1.4
wpml-media v2.1.4
wpml-sticky-links v1.3.3
wpml-string-translation v2.0.5
wpml-translation-analytics v1.0.4
wpml-translation-management v1.9.4
wpml-xliff v0.9.4
Demo: http://wpml.org/