Ceceppa Multilingua (ceceppa-multilingua) free WordPress plugin

I created Ceceppa Multilingua to let WordPress have an easy to use interface for managing a fully multilingual web site.
With “Ceceppa Multilingua” you can write your posts and pages in multiple language. Here are some features:

Features

• Quick Edit mode. Allow you to edit the main content and its translations easily from one page/
• Separated posts and pages for each languages, so you can use different SEO and url for each languages.
• Translate your theme ( Plugin let you translate strings and will generate the .mo file for wordpress )
• URLs pretty and SEO-friendly. ?lang=en, /en/foo/ or en.yoursite.com
• Translate widgets title.
• Filter widgets by language
• Translate Site Title / Tagline
• One-Click-Switching between the languages
• One-Click-Switching between the translations
• Category link translation
• Different menu for each language.
• Add flags to menu
• Customize “Navigation label” for each language
• Group/Ungroup comments for each post languages.
• Show notice when the post/page that user is viewing is available, based on the information provided by the browser, in their its language
• Least Read Posts, Most Commented, Most Read Posts can show only the posts in user selected language
• Change wordpress locale according to current language, useful for localized themes
• Show the list flag of available languages on top or bottom of page/post
• Plugin works also with custom post types