I think you can create multiple columns with CSS. Here is a CSS snippet I use to make my unordered lists have multiple columns:
.ul-two-columns ul {
columns: 2;
}
.ul-three-columns ul {
columns: 3;
}
.ul-four-columns ul {
columns: 4;
}
Note that these will only take effect on pages that request them using the cssclass metadata. For example, on a page I wanted to have three columns I’d add this at the top of the page: