2sxc supports icon-fonts do automatically generate an icon-picker with search. This tutorial app shows how to set up two common examples - one using font-awesome from a CDN, another using a custom-made font-icon set built with fontello.
It also shows different combinations like
This is a part of my short series about font icons. Here's the full series
If this is the first time you've seen DNN-Apps and would like to try one - just install 2sxc first, then install this app inside it.