Choosy opens links in the right browser, either by prompting you to choose or using rules to automatically select the correct browser.
anchor apple generic and identifier "com.choosyosx.Choosy" and (certificate leaf[field.1.2.840.113635.100.6.1.9] /* exists */ or certificate 1[field.1.2.840.113635.100.6.2.6] /* exists */ and certificate leaf[field.1.2.840.113635.100.6.1.13] /* exists */ and certificate leaf[subject.OU] = "5YVSNS92FV")