10+ Best Open Source Icon Libraries in 2024: A Guide for Designers and Developers

Icons play an essential role in web design and development. Not only do they add visual appeal to a website or app, but they also improve usability, making the user experience more intuitive. Whether you're an experienced designer or just starting out, having access to high-quality, free icon libraries can significantly enhance your projects. In this article, we'll explore some of the best open source icon libraries available in 2024 that offer a range of options, from simple and clean designs to more detailed and customizable icons.

1. Hugeicons Pro

Website : https://hugeicons.com/) 
Free Icons : 4,000+ 
Formats : Figma, React, SVG, CDN, NPM, WordPress, JSX 
Integrations : NPM, SVG, React, React Native, WordPress, Figma Plugin, IconJar

Hugeicons Pro offers a large collection of modern and high-quality icons, perfect for a wide range of web and app projects. This library stands out because of its easy integration with popular tools like React, WordPress, and Figma. If you need icons that can be seamlessly integrated into your workflow, Hugeicons Pro is a fantastic option.

2. Lucide

Website : https://lucide.dev/
Free Icons : 840+ 
Formats : SVG 
Integrations : React, Vue, Angular, Preact, Figma, Laravel, Svelte, Solid

Lucide is a lightweight and consistent icon library offering clean SVG icons. It's a great choice for web applications or digital products where speed and design consistency matter. The library supports multiple frameworks like Vue, Angular, and React, making it versatile and easy to work with.

3. Remix Icon

Website : https://remixicon.com/
Free Icons : 2,537 
Formats : SVG, PNG, Webfont 
Integrations : React, Vue, Angular, Figma, Sketch, Adobe XD

Remix Icon is known for its simple yet functional icon designs. Offering both solid and outline styles, this library is ideal for any project requiring a clean and modern look. With integrations for design tools like Figma and Adobe XD, Remix Icon makes it easy to customize and implement its icons in your projects.

4. Tabler Icons

Website : https://tabler.io/icons
Free Icons : 5,271 
Formats : SVG, PNG, Webfont, PDF, EPS 
Integrations : React, Vue, Svelte, Figma

Tabler Icons provides an extensive selection of customizable icons with a focus on design consistency. This makes it perfect for large-scale projects that require a cohesive visual style. With support for multiple formats and integration with various frameworks, Tabler Icons is both flexible and reliable.

5. Phosphor Icons

Website : https://phosphoricons.com/ 
Free Icons : 7,000+ 
Formats : SVG, PNG, Webfont, Figma 
Integrations : React, Vue, Flutter, Elm

Phosphor Icons is a versatile icon family that offers various styles such as thin, light, regular, bold, and duotone. Whether you’re working on a simple UI design or creating more complex visuals, Phosphor Icons offers flexibility in how you use and present icons. This library is particularly good for presentations, diagrams, and interfaces.

6. Font Awesome

Website : https://fontawesome.com
Free Icons : 2,045 
Formats : SVG, Webfont, PDF, PNG 
Integrations : React, Vue, Angular, WordPress, Sketch, Figma

Font Awesome is one of the most well-known icon libraries, offering a wide range of free and premium icons. It integrates easily with popular frameworks like React and Angular, making it a go-to resource for developers looking for quick, reliable icons. Font Awesome also provides material design icons, making it suitable for projects that need icons adhering to Google’s design guidelines.

7. Material Icons

Website : https://mui.com/material-ui/material-icons/) 
Free Icons : 7,687 
Formats : SVG, PNG, Webfont 
Integrations : React, Vue, Angular, Figma

Designed by Google, Material Icons are a well-known set of icons that follow Material Design guidelines. These icons are available in various styles such as baseline, sharp, and round, providing flexibility in design choices. With a large selection and support for multiple formats, Material Icons are perfect for anyone developing Google-inspired interfaces.

8. Bootstrap Icons

Website : https://icons.getbootstrap.com/
Free Icons : 1,953 
Formats : SVG, PNG, Webfont 
Integrations : React, Vue, Figma, Svelte

Bootstrap Icons are designed to work seamlessly with the Bootstrap framework, making them perfect for developers already using Bootstrap in their projects. The icons are simple, versatile, and integrate easily into modern UI designs.

9. Feather Icons

Website : https://feathericons.com/
Free Icons : 286 
Formats : SVG, JSX, Vue 
Integrations : React, Vue

Feather Icons offer clean and minimalistic designs, making them a favorite among developers who prefer simplicity. With easy integration into React and Vue, these icons are great for lightweight projects where speed and clarity are key.

10. CSS Icons

Website : https://css.gg/
Free Icons: 704 
Formats : CSS, SVG, Figma, JSON 
Integrations : NPM, API, SVG Sprite

CSS Icons are scalable and retina-ready, making them suitable for a variety of use cases. With support for multiple formats, this library offers versatility in how icons are displayed and used across different projects.

Conclusion

Finding the right icon library can make a huge difference in your design and development process. Whether you’re looking for a wide selection like that offered by Hugeicons Pro or Phosphor Icons, or a more specialized set like Feather Icons, there’s something for every project. By choosing the best open source icon library, you can create visually stunning designs that are both functional and aesthetically pleasing.

Take the time to explore these libraries and integrate their icons into your next project. You’ll be surprised at how much they can enhance your user interfaces and overall design.

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