Git: A version control system Linux: A monolithic UNIX-like kernel Linux-libre: A monolithic UNIX-like kernel without proprietary blobs included FreeBSD: A UNIX-like operating system based on Berkeley Software Distribution systemd: A monolithic init system runit: A simple init system GNU C Library: A C Library implementation by GNU Musl C Library: A simple C Library implementation ulibC: A tiny C Library implementation Busybox: A set of userspace core utilities Nix: A general package manager Guix: A general package manager by GNU Zypper: The official package manager for openSUSE Advanced Packaging Tool: The official package manager for Debian Dandified YUM: A package management utility based on RPM, written in Python 3 Yellow Dog Updater, Modified: A package management utility based on RPM, written in Python 2 Yellow Dog Updater: The official package management utility for Yellow Dog Linux (now deprecated) Red Hat Package Manager: The official package management utility for Red Hat Enterprise Linux Linglong: A package management utility from Deepin Linux NVIDIA PhysX: A physics engine by NVIDIA