21+ Best Free and Open-Source Icon Library for 2024

In 2024, utilizing high-quality, free, and open-source icon libraries can significantly boost the visual appeal of digital projects. This guide reviews 21 of the best icon libraries, covering important aspects such as supported formats, ease of integration with frameworks like React and Vue, and customization options. Highlighting libraries like Lineicons, Font Awesome, and Heroicons, the guide provides essential metrics and features to help developers and designers choose the right icons for their projects.