1. Tencent Classroom: This is an online education platform for professional/vocational training launched by Tencent. It has gathered a large number of high-quality educational institutions and famous teachers, and has many online learning projects such as vocational training, civil service examination, TOEFL IELTS, textual research and grading, spoken English, primary and secondary education, etc.

2.QQ group: you can use QQ group to broadcast the class live, the whole class can have QQ voice interaction, and you can give PPT lectures online and modify your homework.

3. Nailing: This is a comprehensive office software launched by Ali, which can be used for remote training such as training exchange, remote demonstration and online courses.

Sunflower: This is a highly customized remote control service system for educational institutions, which conforms to the personalized education mode and learning mode. It supports the software or equipment platform embedded in the autonomous teaching system, and teachers and students in different places can realize remote connection and real-time two-way interaction.

5. Conference table: This is an online whiteboard and visual collaboration platform, which provides a set of whiteboard-based interaction, document sharing, screen sharing and so on for distance education and online training scenarios.