musl is a clean and efficient C standard library implementation. It is lightweight, fast, simple, free, and aims to be correct in the sense of standards-conformance and safety.
Cost / License
- Free
- Open Source
Platforms
- Linux
musl is a clean and efficient C standard library implementation. It is lightweight, fast, simple, free, and aims to be correct in the sense of standards-conformance and safety.
libpng is the official Portable Network Graphics (PNG) reference library (originally called pnglib). It is a platform-independent library that contains C functions for handling PNG images. It supports almost all of PNG's features, is extensible, and has been widely used and...
The GNU C Library, commonly known as glibc, is the GNU Project's implementation of the C standard library. It is used as the C library in the GNU systems and most systems with the Linux kernel.
is an open source programming library that provides a vector graphics-based, device-independent API for software developers.




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IUP is a multi-platform toolkit for building graphical user interfaces. It offers a simple API in three basic languages: C, Lua and LED. IUP's purpose is to allow a program source code to be compiled in different systems without any modification.
libjpeg-turbo is a derivative of libjpeg that uses SIMD instructions (MMX, SSE2, NEON) to accelerate baseline JPEG compression and decompression on x86, x86-64, and ARM systems. On such systems, libjpeg-turbo is generally 2-4x as fast as the unmodified version of libjpeg, all...
International Components for Unicode (ICU) is an open source project of mature C/C++ and Java libraries for Unicode support, software internationalization, and software globalization. ICU is widely portable to many operating systems and environments.
GObject introspection is a middleware layer between C libraries (using GObject) and language bindings. The C library can be scanned at compile time and generate a metadata file, in addition to the actual native C library.
libtheora is a reference implementation of the Theora video compression format being developed by the Xiph.Org Foundation.
The Apache Portable Runtime (APR) is a supporting library for the Apache web server. It provides a set of APIs that map to the underlying operating system. Where the OS doesn't support a particular function, APR will provide an emulation.
FreeType is a freely available software library to render fonts. It is written in C, designed to be small, efficient, highly customizable, and portable while capable of producing high-quality output (glyph images) of most vector and bitmap font formats.
ATK (Accessibility Toolkit) provides the set of accessibility interfaces that are implemented by other toolkits and applications. Using the ATK interfaces, accessibility tools have full access to view and control running applications.