# Libraries The userland of xOS contains several custom libraries * [LibC](https://code.ayaantunio.me/ayaan/Custom-Operating-System/src/branch/master/libs/libc) - the standard library for C. * [LibCxx](https://code.ayaantunio.me/ayaan/Custom-Operating-System/src/branch/master/libs/libcxx) - the standard library for C++, targeting C++17 and above. * [LibObjC](https://code.ayaantunio.me/ayaan/Custom-Operating-System/src/branch/master/libs/libobjc) - the Objective-C runtime library. * [LibAPI](https://code.ayaantunio.me/ayaan/Custom-Operating-System/src/branch/master/libs/libapi) the standard API library. * [LibFoundation](https://code.ayaantunio.me/ayaan/Custom-Operating-System/src/branch/master/libs/libfoundation) - provides a base layer of functionality for apps and libraries which are implemented in C++ and Objective-C. * [LibIPC](https://code.ayaantunio.me/ayaan/Custom-Operating-System/src/branch/master/libs/libipc) - manages inter-prcess communication for C++. * [LibG](https://code.ayaantunio.me/ayaan/Custom-Operating-System/src/branch/master/libs/libg) - provides low-level 2D rendering. * [LibUI](https://code.ayaantunio.me/ayaan/Custom-Operating-System/src/branch/master/libs/libui) - provides the required tools to build UI applications.