Icons
React Icons

There are 280+ React icons and you can get all icons info from here: https://feathericons.com/

Ex. <FiUser className="fea icon-sm"/>
Material Design Icons

There are 4400+ Material Design icons and you can get all icons info from here: https://materialdesignicons.com/

Ex. <i className="mdi mdi-home"> </i>
Flaticon Icons

There are Flaticon icons and you can get all icons info from here: https://www.flaticon.com/packs/basic-icon