In my web app built on Laravel, which under the hood uses an npm/Webpack build process, I'm currently using the SCSS icon sheet versions of FontAwesome like thi
leap-second
google-cloud-bigtable
aws-iam-authenticator
equalizer
android-sdk-build-tools
azure-oauth
wsdl2objc
multiple-insert
servlet-3.0
synthesizetofile
search-form
agent
pinch
libtorrent
pusher-js
intellij-15
skphysicsbody
ports
callable-object
compilation-time
winsw
cakephp-2.1
unobtrusive
bootstrap-form-helper
require-once
android-multiple-apk
geotagging
stencil-component
wing-ide
user-agent