JarvisOJ:https://www.jarvisoj.com/
HFSEC:http://111.230.11.183/
BUUCTF:https://buuoj.cn/
XCTF:https://adworld.xctf.org.cn/task
BUGKU:https://ctf.bugku.com/
Hackingbar:http://hackinglab.cn/
南邮:https://cgctf.nuptsast.com/challenges#Web
中学生CTF:https://archive.lctf.online/challenges