I think for Set items thats actually this addon of the same author then, for example:
Item Set Browser
The other one Sharlikran linked is for recipes and stye pages.
Missing items marker icons & other features (chat commands):
https://www.esoui.com/downloads/info...onTracker.html
https://www.esoui.com/downloads/info...ickerBook.html
UI enhancements:
https://www.esoui.com/downloads/info...edLibrary.html
https://www.esoui.com/downloads/info...onFilters.html