Font Awesome : Font Awesome, the iconic font designed for use with Twitter Bootstrap. In a single collection, Font Awesome is a pictographic language of web-related ...
IcoMoon : IcoMoon is an icon solution, providing three main services: Vector Icon Packs, The IcoMoon App, and an Icon Delivery Network.
Genericons : Genericons are vector icons embedded in a webfont designed to be clean and simple keeping with a generic aesthetic.
Use genericons for instant HiDPI, ...
OpenMoji : Open source emojis for designers, developers and everyone else!
Nerd Fonts patches developer targeted fonts with a high number of glyphs (icons). Specifically to add a high number of extra glyphs from popular ‘iconic fonts’ such as Font Awesome, Devicons, Octicons, and others.