Everything Open-Source.

Feather Icons

An open-source set of 24px React icons. Sets for Sketch and Figma available as well.

UI
Icons
MIT License

CSS.gg

Open-source CSS, SVG and Figma UI Icons available in SVG Sprite, styled-components, NPM & API.

UI
Icons
MIT License

Health Icons

An open-source set of healthcare-related icons.

UI
Icons
MIT License

Ionicons

Ionicons is a completely open-source icon set crafted for web, iOS, Android, and desktop apps.

UI
Icons
MIT License

Remix Icons

A set of open-source neutral style system symbols for designers and developers.

UI
Icons
Apache 2.0 License

The Noun Project

A massive and diverse collection of icons made by designers from all over the world.

UI
Icons
Free Plan