⚡ Open-Source Icon Libraries

Open-source icon libraries are collections of icons distributed under permissive licenses that allow free use and modification in software and web projects.

They typically provide scalable vector icons in formats such as SVG or icon fonts, consistent visual styles, and broad icon sets for common interface elements.

Statistics based on 3.7M+ analyzed websites. About this data

⭐ Most Popular in 2026

The following chart shows the leading open-source icon libraries on the web in 2026, based on market share.

The most popular is Fontello with a share of 3.8%, followed by Ionicons with 3% and Simple Line Icons with 2.8%.

✨ Best Open-Source Icon Libraries

Below is a more detailed list of the top 25 of the 28 open-source icon libraries we track, ranked by their market share.

Available filters: Open-Source
RankNameMarket share
1
Fontello
Nof haGalil, Israel

A free web-based icon font generator that lets users build custom icon packs by selecting glyphs from multiple open-source icon libraries, including Font Awesome, Entypo, and Typicons.

FreeOpen source
2
Ionicons
Madison, Wisconsin, United States

An open-source icon set with 1,300 icons built for Ionic Framework, so icons have both Material Design and iOS versions.

FreeOpen source
3
Simple Line Icons
Dhaka, Bangladesh

An open-source icon library with CSS, SASS, LESS and web font files.

FreeOpen source
4
Material Icons
Mountain View, California, United States

An official icon library created by Google that provides standardized interface icons designed according to the Material Design guidelines.

FreeOpen source
5
Bootstrap Icons
San Francisco, California, United States

A free, open-source icon library developed by the Bootstrap team that provides more than 2,000 SVG icons.

FreeOpen source
6
Lucide
San Francisco, California, United States

An open-source icon library that provides over 1,600 SVG icons made by the community.

FreeOpen source
7
Entypo
Stockholm, Sweden

An open-source SVG icon library that provides over 400 interface and social pictograms.

FreeOpen source
8
Twemoji
Bastrop, Texas, United States

An Twitter's open-source library that provides standard Unicode emoji support across all platforms.

FreeOpen source
9
Dripicons

A completely free set of 200 vector icons.

FreeOpen source
10
Material Symbols
Mountain View, California, United States

The icon set that contains over 3,000 glyphs designed by Google under the Material 3 design guidelines.

FreeOpen source
11
Remix Icon

A set of 3000+ open-source neutral-style system symbols for designers and developers.

FreeOpen source
12
Iconify
Tallinn, Estonia

An open-source icon framework that aggregates over 200 icon sets and more than 275,000 vector icons under one standardised API, allowing developers to use icons as web components or via framework-specific wrappers.

FreeOpen source
13
Material Design Icons

A community-maintained open-source icon set that follows Google's Material Design guidelines for consistent interface graphics.

FreeOpen source
14
Boxicons

An open-source icon library that offers over 3,500 free icons in multiple styles and weights, available in free and pro versions.

FreeOpen source$39+
15
IcoFont
Dhaka, Bangladesh

A collection of 2400+ open-source icons.

FreeOpen source
16
Weather Icons

Weather Icons contain a set of 215 weather-themed icons and CSS.

FreeOpen source
17
Tabler Icons
Bielsko-Biala, Poland

An open-source set of 4,950+ free SVG icons with no attribution required.

FreeOpen source$9
18
Feather
San Francisco, California, United States

A collection of 280+ open-source icons.

FreeOpen source
19
Line Awesome
Wilmington, Delaware, United States

A free Font Awesome alternative that contains 1300+ icons, released by Icons8 under a Good Boy License.

FreeOpen source
20
Heroicons
Kitchener, Ontario, Canada

An open-source SVG icon library maintained by the Tailwind CSS team that provides clean, minimal icons for user interfaces.

FreeOpen source
21
Phosphor Icons

A flexible icon family for interfaces, diagrams, presentations that includes over 1,200 open-source icons.

FreeOpen source
22
Github Buttons
San Francisco, California, United States

A JavaScript library for creating buttons with GitHub icons.

FreeOpen source
23
Fork Awesome

A suite of 796 pictographic and brand icons that began as a fork of Font Awesome.

FreeOpen source
24
Simple Icons

A collection of more than 3,200 SVG icons of popular brands.

FreeOpen source
25
Flat UI
New York, United States

A free design framework and theme for Bootstrap.

FreeOpen source

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