Pinned anchor menu (with icons)?

Question

WordPress

Prompt the plugin for the implementation of this anchor menu on the left (with icons)
https://lingvomania.kz/

Answer 1

Hello.
This site uses this library. https://github.com/alvarotrigo/fullPage.js

Answer 2

True, not exactly what you want, but also a ready-made minimalistic menu for bootstrap -
https://bootsnipp.com/snippets/featured/minimal-menu
PS there are a lot of ready-made menus on this site.