The best alternatives to Font Awesome Icons are Google Fonts, Font Fit, and iOS Hat. If these 3 options don't work for you, we've listed a few more alternatives below.
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Google LLC is an American multinational technology company that specializes in Internet-related services and products, which include online advertising technologies, search engine, cloud computing, software, and hardware.
Font Fit allows to test different fonts on a live website, share the results with a friend and export the changed CSS styles. No browser plugin needed.
Font Awesome is a webfont used by websites designer & developers for icons instead of traditional old image icons. Its flexible in terms of coloring, sizing & stacking on top of other background styles using plain css.