GNU Hurd (usually referred to as the Hurd) is a computer operating system kernel designed as a replacement for Unix, released as free software under the GNU General Public License. It has been under development since 1990 by the GNU Project of the Free Software Foundation.
XNU kernel is part of the Darwin operating system for use in OS X and iOS operating systems. XNU is an acronym for XNU is Not ...
The Linux kernel is the operating system kernel used by the Linux family of Unix-like operating systems.
Redox is a Unix-like microkernel operating system written in the programming language Rust, a language with focus on safety an ...
Linux-libre is a GNU package that is maintained from modified versions of the Linux kernel. The aim of the project is to remov ...