Programming in the Darwin kernel and information on the differences between Darwin and other BSDs.

The official Apple Darwin home page contains the current release, full source code, modification instructions, wish list, FAQ, contributors, and links.

Goal is to provide an easy way to install various open-source software products on a Darwin, Mac OS X, FreeBSD, or Linux system.

A package manager for Darwin based on the Debian apt-get set of tools. 2900+ ports listed.

A helpful guide to getting and installing Darwin on an x86 system.

The mascot of the Darwin OS.

An exhaustive list of Darwin man pages.

An alliance of Darwin packaging groups Fink, Gentoo, and DarwinPorts to facilitate delivery of freely available software to Mac OS X.

A paper written by Wilfredo Sánchez, the then Open Source Engineering Lead at Apple, about the use of open source in commercial software such as Mac OS X Server.

A fork of Darwin with the intention of making it easier to commit code and to involve the community in ways difficult with the main Apple branch.

A paper on the design issues Apple faced when they ported the Mac OS to a semantically different Unix base (Darwin).

A set of nearly 2000 open source packages ported to Darwin with a focus on scientific applications. A CD distribution is available.

A Unix distribution which focuses on the porting of free software to Darwin and Mac OS X.

A general overview of the project to bring XFree86 (X11 server) to Darwin and Mac OS X as well as pointers to download and mirror sites.