Bilibili (the most conscientious and largest free learning community in China, without any rivals) (https://www.bilibili.com/)github
(Github, the most conscientious and largest free learning open-source community platform worldwide, requires a VPN) (https://github.com/)
Chinese University MOOC (free + paid, targeting college students) (https://www.icourse163.org/)
iCourse (free + paid, targeting college students) (https://www.icourses.cn/home/)
XuetangX (free + paid, targeting college students) (https://www.xuetangx.com/)
NetEase Cloud Classroom (free + paid, rich and varied course resources) (https://study.163.com/)
Tencent Classroom (free + paid, rich and varied course resources) (https://ke.qq.com/)
I Want to Self-Study (paid, relatively cheap prices) (https://www.51zxw.net/)
Sanjieke (paid, courses related to the internet industry) (https://www.sanjieke.cn/)
Weiku (paid, prices are mostly 99, wide variety) (https://www.yojiang.cn/pc/)
College Student Resource Network (free, suitable for college students) (https://www.dxzy163.com/)
Zhihu (free, still the best and largest Chinese text learning platform) (https://www.zhihu.com/)
1 Nanometer Learning Navigation (free, a learning resource navigation)