This is a topic under language.
Chinese Language and Culture
open2study.comIntroduction to Chinese: Pronunciation and Tone
futurelearn.comChinese for HSK 1
coursera.orgChinese for HSK 2
coursera.orgMandarin Chinese 3: Chinese for Beginners
coursera.orgMandarin Chinese Essentials
edx.orgLearn Mandarin Chinese: Capstone Project
coursera.orgMandarin Chinese 1: Chinese for Beginners
coursera.orgChinese for HSK 3 PART II
coursera.orgMandarin Chinese Level 1
edx.orgMandarin Chinese: First Steps in Chinese
edx.orgChinese for HSK 3 PART I
coursera.orgFundamentals of the Chinese character writing (Part 1)
coursera.orgMandarin Chinese Level 2
edx.orgChinese for Beginners
coursera.orgIntroduction to Chinese: Conversation
futurelearn.comIntroduction to Chinese: Grammar
futurelearn.comTsinghua Chinese: Start Talking with 1.3 Billion People
edx.orgMandarin Chinese for Business
edx.orgMandarin Chinese for Intermediate Learners: Capstone Project
coursera.orgMore Chinese for Beginners
coursera.orgMandarin Chinese 2: Chinese for Beginners
coursera.orgMandarin Chinese Level 3
edx.org