FreeType is a popular software library designed for rendering fonts on various devices and platforms. It supports multiple font formats, including TrueType, OpenType, and Bitmap, making it versatile for developers who need to display text in applications and games. The library is open-source and widely used in many projects, including Linux distributions and Android applications. Its ability to handle complex scripts and provide high-quality text rendering makes it an essential tool for developers working with typography and user interfaces.