We've created a Marker Icon API for beautiful map markers. Use Material Design and Font Awesome icons as content, or a custom text. Use generated icons with URL or just save as
Leaflet More Markers | Drupal.org
GitHub - lennardv2/Leaflet.awesome-markers: Colorful, iconic & retina-proof markers for Leaflet, based on the Font Awesome/Twitter Bootstrap icons.
Permanent Marker Font | UrbanFonts.com
GitHub - kongulov/Font-Awesome-icons-for-google-maps: Font Awesome icons for google maps markers