The main one everybody uses at least from my knowledge and from what I've used over the last 13 years is UFW. That is what you want to use.
I could easily say that for firewalld… 😃
Ufw is typically available/pre-installed with Debian based systems (Debian, Ubuntu, zzz), while Firewalld is typically available on Red Hat Enterprise Linux and derivates (Fedora, CentOS, Rocky, …)