The site Lang-8 is operated by Ki Yoyo, a Chinese-born man who lives in Japan, was created with the goal of helping people learn languages from native speakers. People who register for the site can post written works and have other users, who are native speakers, review it for proper grammar and word usage or even just to comment and encourage the users. The site offers nearly 80 different languages and has well over 200,000 users from all over the world. You can read more about this site in the full article on the Japan Times site:
Lang-8

