⚡ Open-Source Icons
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.
⭐ Most Popular in 2026
The following chart shows the leading open-source icon libraries in 2026, based on market share.
The most popular is Ionicons with a share of 3.3%, followed by
Simple Line Icons with 3% and
Material Icons with 2.3%.
🚀 Country Highlights
Here is a list of libraries that are especially popular in certain countries.
Differences between global and country rankings are shown in parentheses.
Simple Line Icons is #2 in the United States (-1)
Material Icons is #2 in Japan (-2)
Bootstrap Icons is #2 in India (-3)
Material Symbols is #2 in Lithuania (-9)
Fontello is #4 in Italy (-2)
Remix Icon is #4 in China (-8)
Weather Icons is #7 in Turkey (-10)
✨ Best Open-Source Icon Libraries
Below is a more detailed list of the top 25 of the 27 open-source icon libraries we track, ranked by their market share.
Statistics were last calculated on .
For details, see our methodology and disclaimer.
Flat UI