MDBG English to Chinese dictionary - English to Chinese dictionary with Mandarin pinyin - learn Chinese faster with MDBG!
Teachable - Create and sell beautiful online courses with the platform used by the best online entrepreneurs to sell $100m+ to over 4 million students worldwide.
wenlin - Wenlin Software for Learning Chinese
Clever - syncing between education applications for K-12 schools
Youdao Dictionary - Youdao is a search engine released by Chinese internet leviathan, NetEase in 2007.
Claroline - Claroline is a collaborative eLearning and eWorking platform.