Rain Classroom establishes a bridge between teachers and students before, during, and after class. It is a powerful and user-friendly plug-in program developed by Tsinghua University in April 2016. Currently, there are 3.5 million active users in 200,000 classrooms in over 80 countries.

雨課堂建立起了老師和學生之間在課前、課中以及課後的橋梁。它是一款由清華大學在2016年四月開發的強大並且便於使用的插件。截至目前，雨課堂在全球八十多個國家、二十萬次課堂中累計有三百五十萬活躍用戶。

More information can be found on the pages http://ykt.io/help (简化字), manual Rain Classroom v2-2 (English).pdf, or faq.icto.umac.mo.