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Top Open-Source Icon Libraries of 2024

📅October 20, 2024

In 2024, icons continue to play a vital role in modern web and app design. Whether you’re building a user-friendly interface or an engaging app, icons help communicate ideas and functions at a glance. The best part? You don’t need to design them from scratch. There are several open-source icon libraries available that not only speed up your design process but are also customizable and free to use.

In this article, we’ll explore the top open-source icon libraries of 2024 and highlight their features, benefits, and how you can use them in your projects.

1. Heroicons

Heroicons is a modern and clean icon set designed by the makers of Tailwind CSS. It offers two distinct styles: outline and solid, making it versatile for a range of projects.

  • Key Features:

    • 290+ icons
    • SVG format for easy customization
    • Simple to use with frameworks like React and Vue
  • Example:

    <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="currentColor">
      <path d="M12 4v16m8-8H4"/>
    </svg>
    
  • Usage:
    Great for minimal and responsive designs that prioritize clarity and usability.

2. FontAwesome

FontAwesome remains one of the most popular icon libraries in 2024. With thousands of icons available in both free and paid tiers, it’s a go-to choice for many developers and designers.

  • Key Features:

    • 2,000+ free icons
    • Available in SVG, Web Font, and PNG formats
    • Pro version offers 8,000+ icons
  • Example:

    <i class="fas fa-coffee"></i>
    
  • Usage:
    Ideal for projects that require a wide variety of icons, from social media logos to user interface elements.

3. Feather Icons

Feather Icons is known for its simple, clean, and lightweight design. It is built for performance, making it perfect for use in fast-loading applications.

  • Key Features:

    • 280+ minimalist icons
    • Customizable stroke width
    • Small file size
  • Example:

    <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor">
      <path d="M12 20v-4m0 0V4m0 12l4-4m-8 0l4 4"/>
    </svg>
    
  • Usage:
    Perfect for minimalist UIs and websites where a clean aesthetic is desired.

4. Bootstrap Icons

Developed by the creators of the Bootstrap framework, Bootstrap Icons is a robust and ever-growing library designed for Bootstrap users but versatile enough for any project.

  • Key Features:

    • 1,800+ icons
    • SVG and web fonts supported
    • Easily integrated with Bootstrap
  • Example:

    <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-alarm" viewBox="0 0 16 16">
      <path d="M6.5 16a.5.5 0 0 1-.5-.5v-2.55H4.55a.5.5 0 1 1 0-1h2.5a.5.5 0 1 1 0 1H7v2.55a.5.5 0 0 1-.5.5z"/>
    </svg>
    
  • Usage:
    Best suited for developers already working with Bootstrap, but flexible for any modern web project.

5. Material Icons

Created by Google, Material Icons follows Material Design guidelines and offers a wide variety of well-designed icons, making them ideal for both web and mobile applications.

  • Key Features:

    • 2,500+ icons
    • Available in outlined, rounded, two-tone, and sharp variants
    • Optimized for performance
  • Example:

    <span class="material-icons">home</span>
    
  • Usage:
    Perfect for applications following the Material Design principles, such as Android apps and Google services.

6. Tabler Icons

Tabler Icons is an excellent choice for developers looking for highly detailed yet lightweight icons. All icons are fully customizable via CSS and SVG.

  • Key Features:

    • 1,250+ icons
    • Built with consistent size and detail
    • Optimized for responsiveness and customization
  • Example:

    <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor">
      <path d="M12 5v14m5-5H7"/>
    </svg>
    
  • Usage:
    Ideal for web projects requiring scalable and customizable icons.

7. Iconoir

Iconoir is a relatively new but highly versatile icon library. It features simple, elegant line icons that are perfect for modern designs.

  • Key Features:

    • 1,000+ icons
    • SVG, React, and React Native support
    • Free for personal and commercial use
  • Example:

    <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="currentColor">
      <path d="M12 20V10m8 8H4"/>
    </svg>
    
  • Usage:
    Great for both web and mobile designs with a modern and clean interface.

8. Remix Icon

Remix Icon is a versatile icon library that focuses on both outline and filled icons. It’s easy to integrate and offers plenty of choices for various use cases.

  • Key Features:

    • 2,200+ icons
    • Free to use in personal and commercial projects
    • Available in outline and filled styles
  • Example:

    <i class="ri-home-line"></i>
    
  • Usage:
    Ideal for versatile web and mobile applications where both outlined and filled icons are needed.

9. Eva Icons

Eva Icons is a beautifully designed open-source icon pack available in both outline and fill styles. Its consistent style makes it a favorite among developers.

  • Key Features:

    • 480+ icons
    • Available in outline and fill styles
    • Free for both personal and commercial use
  • Example:

    <i class="eva eva-home-outline"></i>
    
  • Usage:
    Perfect for projects requiring a consistent and elegant icon style.

10. Ionicons

Originally developed for the Ionic framework, Ionicons has evolved into a popular choice for web and mobile app developers, even outside the Ionic ecosystem.

  • Key Features:

    • 1,300+ icons
    • Web and mobile support
    • Easily customizable
  • Example:

    <ion-icon name="home"></ion-icon>
    
  • Usage:
    Excellent for cross-platform mobile and web apps.

11. Phosphor Icons

Phosphor Icons offers a wide variety of icons, with multiple weights and styles to choose from, making it ideal for customization.

  • Key Features:

    • 4,000+ icons
    • Customizable stroke width and style
    • SVG, React, Vue, and Flutter support
  • Example:

    <i class="ph ph-home"></i>
    
  • Usage:
    Perfect for highly customizable web and mobile applications with a range of design needs.

Conclusion:

The open-source icon libraries of 2024 offer a wide array of choices for developers and designers. Whether you’re building minimalist interfaces or fully-fledged web applications, these icon sets are versatile, customizable, and easy to integrate. Best of all, they’re free to use, ensuring that your project is visually appealing without breaking the bank.