Litespeed is a web technology like Apache and Nginx
Cyberpanel supports only Litespeed and Openlitespeed web technology.
Litespeed Tech organization has 2 products under them.
Litespeed Enterprise (Paid)
Openlitespeed (Open source)
While installing Cyberpanel, you get 2 options whether to go with Litespeed Enterprise or with the free open source Openlitespeed.
Litespeed Enterprise has 15 days free trail and then you can pay them the license fee as according to your required plan.
Make sure you do not select Litespeed Enterprise trial if you are not planning to continue with it. Because you cannot switch to openlitespeed after installing Litespeed Enterprise on cyberpanel while installation.
Litespeed Enterprise has 1 free starter license which they offer for FREE but with limitations.
You must have 2GB or less RAM and only 1 domain can be used.
I hope the information is clear and if not, do let me know