What are the fun and practical applications on Freeshell?

Students said that HKUST provides students with a high-performance Linux virtual host Freeshell free of charge. Currently, there are more than 2000 vps. Do you know if there are any interesting or practical applications incubated? Students said that HKUST provides students with a high-performance Linux virtual host Freeshell free of charge. Currently, there are more than 2000 vps. Do you know if there are any interesting or practical applications incubated? Reply: Freeshell of our department is a really useful VPS! All I know is the following. In fact, there are still many applications that I have not found. I hope you can add them. [Updating ...]

1. Visual Analysis of One card consumption of iCard students: http://icard.ustc.edu.cn/
2. All students of China University of Science and Technology elective information arbitrary query (recent seems due to privacy issues closed): http://sqrt-1.me/course
3. A free multi-room online instant chat room: https://ychat.freeshell.ustc.edu.cn/
4. USTC Spider capture the University of Science and Technology news, BBS notice, articles, Hefei news, dynamic: https://wq123.freeshell.ustc.edu.cn/
5. Name, student ID, and department: https://wq123.freeshell.ustc.edu.cn/ustc/index.php
   
6. View the 2015 postgraduate students admitted to the University of Science and Technology statistics, you can also find fellow: https://wq123.freeshell.ustc.edu.cn/ky/index.php
   
7. A free online video conferencing system (as if something went wrong recently): https://freemeet.info/
8. 2015 graduation ring Exchange System: http://hilcj.freeshell.ustc.edu.cn/ering/index.php
9. An online Wuzi game: http://sqrt-1.me/game/index.php
10. Enjoy-share movies, books, TV series and comments on Douban online: http://sharefun.freeshell.ustc.edu.cn/
11. View Twitter account's latest tweets across GFW: http://crawller.freeshell.ustc.edu.cn/
12. MR Search an article by someone online: http://lttt.freeshell.ustc.edu.cn/mrs/
13. Pre-Query System: http://lttt.freeshell.ustc.edu.cn/cjcx/
    
14. Music brute force download: https://wq123.freeshell.ustc.edu.cn/yyt/index.php
15. Television Channels on-campus HD broadcasting: https://wq123.freeshell.ustc.edu.cn/ TV .php
16. Seminar Distribution System: http://lttt.freeshell.ustc.edu.cn/seminar
    
17. MaCuz online academic questions: http://discourse.lttt.freeshell.ustc.edu.cn/
18. South seven book spectrum-the fastest and safe school store old books: http://bookface.ustc.edu.cn/
19. University of Science and Technology football venue booking ASSISTANT: http://yzbx.freeshell.ustc.edu.cn/football7.php
20. HKUST integrated educational system without verification code simulation login tool: http://zsj.freeshell.ustc.edu.cn/mis/
21. Online conversion of pictures or text into ASCII code: http://ascmaster.freeshell.ustc.edu.cn/
22. Lending statistics and Recommendation System of the University of Science and Technology Library: http://qiukang.freeshell.ustc.edu.cn/book

Anonymous Users have already said a lot. I would like to add:

1. automatically import the teaching system curriculum to the mobile calendar software: ustc mis Tool Http://zsj.freeshell.ustc.edu.cn/mis ) I have to say that freeshell has not been recovered yet, but it is a bit sad.