Extensive icon set insertable as a font into your designs or website. (Pro Option has more icons)
SF Symbols (Apple)
Icon set from Apple with over 1.500 different icons which are highly customizable with nine different stroke widths.
Animated icons in Lottie Framework for immediate implementation to your apps or websites.
The ultimate icon library with over 30.000+ icons highly customizable and easy to browse with their icon tool.