All Policies
Mastericons aggregates icons from many open-source libraries. Each library ships under its own license. Below is a summary of every license type in use and which libraries it applies to.
Mastericons does not claim ownership of any icon artwork. Icons are displayed as provided by each upstream open-source project. When you download or use an icon, the original library's license applies to your use.
Brand & Trademark Notice
Some icon sets — including Simple Icons, Skill Icons, Devicon, Tech Logos, Cryptocurrency Icons, and Web3 Token icons — contain logos and trademarks belonging to third-party companies. These trademarks are the property of their respective owners. The open-source license of the icon package covers the SVG artwork files only and does not grant any rights to the underlying brand or trademark. Always comply with each company's brand guidelines when using their logos commercially.
Attribution-Required Libraries
The following libraries are CC BY 4.0 and require you to credit the original creators when you use or redistribute their icons: Twemoji (© Twitter/X), Solar Icons, Iconamoon, GIS Map Icons, and CoreUI Icons.OpenMoji and Typicons (CC BY-SA 4.0) additionally require that any modified versions you distribute use the same CC BY-SA 4.0 license.
MIT License
Do anything — commercial or personal — just keep the original copyright notice. The most widely used open-source license.
Applies to
Tabler Icons, Heroicons, Bootstrap Icons, Phosphor Icons, Ionicons, Feather Icons, Radix Icons, Flowbite, Akar Icons, CSS.gg, Teenyicons, Jam Icons, Ant Design Icons, Boxicons, Bytesize Icons, Catppuccin Icons, Charm Icons, Circle Flags, Clarity Icons, Devicon, Devicon Plain, Dinkie Icons, Duoicons, EOS Icons, Element Plus Icons, Eva Icons, Famicons, Flag Icons, Flat Color Icons, Fluent UI Icons, Fluent UI Color Icons, Fluent UI MDL2, Fluent Emoji High Contrast, Fontisto, FormKit Icons, Foundation Icons, Framework7 Icons, GitHub Octicons, GitLab Pajamas Icons, Gravity UI Icons, Health Icons, Humbleicons, Iconoir, Majesticons, Material Icon Theme, Medical Icons, Meteor Icons, Mono Icons, Mynaui Icons, Nimbus Icons, Prime Icons, ProIcons, Qlementine Icons, Quill Icons, Siemens IX Icons, Simple Line Icons, Skill Icons, Stash Icons, TDesign Icons, TDesign Icons Filled, UIW Icons, VS Code Icons, WeUI Icons, Web3 Token Icons, Web3 Token Logos, Zondicons, Bitcoin Icons
Apache 2.0
Similar to MIT but also provides an express grant of patent rights from contributors. Must state significant changes.
Applies to
Material Symbols, Material Symbols Light, Material Design Icons, Material Icons (Google), Carbon Icons, OpenSearch UI Icons, Grommet Icons, IconPark, IconPark Outline, IconPark Two-Tone, Vaadin Icons, Noto Emoji, Line Awesome, Mage Icons, MingCute Icons, Adobe Spectrum
ISC License
Functionally equivalent to MIT. Fewer words, same permissions — commercial use, modification and distribution all allowed.
Applies to
Lucide Icons, Lucide Lab, File Icons
CC0 1.0 — Public Domain
No rights reserved. Creators have waived all copyright. Use for any purpose with absolutely no conditions.
Applies to
Simple Icons, Maki, Temaki Icons, CoreUI Brands, Tech Logos, Cryptocurrency Icons, Cryptocurrency Icons (Color)
CC BY 4.0 — Attribution
Free to use, share and adapt for any purpose including commercially. You must give appropriate credit to the original creator.
Applies to
Twemoji (Twitter), Solar Icons, Iconamoon, GIS Map Icons, CoreUI Icons
CC BY-SA 4.0 — Share-Alike
Free to use and adapt. Attribution required. If you modify and redistribute, your version must use the same CC BY-SA license.
Applies to
OpenMoji, Typicons
MPL 2.0 — Mozilla Public License
Use freely in any project. If you modify and redistribute the icon source files themselves, those modifications must be shared under MPL.
Applies to
Circum Icons
OFL 1.1 — Open Font License
Icons may be used freely in any project. The icon sets may not be sold standalone as a font product.
Applies to
Weather Icons, WebHostingHub Glyphs, Material Design Iconic Font (ZMDI)
The Unlicense
Dedicated to the public domain. No restrictions whatsoever — use, copy, modify, distribute without any conditions.
Applies to
System UIcons
Have a copyright or licensing concern?
If you believe an icon set is incorrectly attributed or should not be included, please contact us and we will review it promptly.
Email usLicense information is provided in good faith. Always verify the license of each library before commercial use. Visit the upstream repository for the authoritative license text.