"Allowed list" is the name given to a list of organized journals that meet the criteria to be considered professional and genuine (Strinzel et al., 2019). Their works are peer-reviewed and professional in nature. In some cases, they are also called "whitelists." You can view some allowed lists for free online. The following "allowed lists" were retrieved from Elmore and Weston (2020).
"Blocked list" is the name given to an organized list of predatory journals (Strinzel et al., 2019). They are sometimes called "blacklists" as well. There are several free blocked lists, including:
If you are interested in using Cabell's, you can view our database tutorial below.