Pinyin.info - This site presents rules for using pinyin and other romanization systems, as well as non-romanization systems. It also contains related tools, books and links. Min Multimedia - This site offers simplified Chinese tutorial lessons, with hyperlinked characters and flashcards. Similarities Between Tongyong Pinyin and Hanyu Pinyin: Comparisons at the Syllable and Word Levels - This research paper discusses similarities between tongyong pinyin and hanyu pinyin at the syllable and word levels. AppleChineseOnline - Offers ebooks and free online Mandarin Chinese language programs. Chinese Horizon - Comprehensive multimedia online Chinese (Mandarin) language and culture training. Site available in English, French and German. Learn Mandarin Chinese Online Via Skype - Offers Mandarin Chinese lessons from native Chinese speakers. Includes pricing and testimonials. ChineseTime School - Learn Mandarin Chinese with native speaking tutors. Contains demonstration classes and community. Accent Mandarin - Offering live, online one-on-one Mandarin Chinese language courses. Provides an interactive learning environment and customized curriculum.