Mac OS X Speed FAQ
- The speed of the operating system is controlled by several factors. Offers a list and discussion of each.
- http://www.macmaps.com/Macosxspeed.html

Aquafiles
- Collection of OS X software and a message board.
- http://www.aquafiles.com

DeXtop Group
- Themes, icons, and desktops for Mac OS X.
- http://penguinn.com/dextop/

MacEnterprise.org
- (Formerly macosxlabs.org) A community of IT professionals sharing information and solutions to support Macs in an enterprise.
- http://www.macenterprise.org/

Mac OS X - Downloads
- Directory of freeware, shareware, and commercial software available for download or purchase.
- http://www.apple.com/downloads/macosx/

Max OSX Guru
- Tips for tuning and running Darwin and Apple's OSX.
- http://www.macosxguru.net/

High Performance Computing on Mac OS X
- Collection of tools and information for scientific computation on Mac OS X including Fortran (g77, g95, HPF), MPI, OpenMP, Cactus, Globus, and RNPL among others.
- http://hpc.sourceforge.net/

MacUpdate OSX Software & Games
- Directory of OSX freeware, shareware and commercial products.
- http://www.macupdate.com/index.php?os=macosx

Modified Oroborus for Mac OS X
- Rootless window server to run Linux applications. Includes downloads, version history, and screenshots.
- http://oroborosx.sourceforge.net/

Mac OS X Notes
- For OS X users looking to delve into the deeper workings of UNIX. Filled with info on compiling open-source software on OS X (10.2) using the Terminal application.
- http://homepage.mac.com/samchops/MACOSX/macosx.html

OS X for Legacy Macs
- Allows the installation of Mac OS X and Darwin on unsupported Macs including the 7300 through 9600 from an unmodified Install CD. Includes a tech support forum and FAQ.
- http://eshop.macsales.com/OSXCenter/XPostFacto/

Versiontracker Software Updates
- Comprehensive daily list of updates for Mac OS X software.
- http://www.versiontracker.com/macosx/index.shtml

Mac OS X Security
- Security issues and advisories. Locate security vulnerability and published hack reports for the new operating system.
- http://www.securemac.com/

HyperJeff's OS X Page
- Features a large list of native OS X software, and essays on software installation.
- http://osx.hyperjeff.net/

Apple: Mac OS X
- The Apple Mac OS X product page. Describes features in the current version of Mac OS X, a screenshot gallery, latest software downloads, and a directory of resources.
- http://www.apple.com/macosx/

Stepwise
- News stories, tutorials, resources for Objective-C programmers using, or wanting to learn more about, Mac OS X's Cocoa environment. Also covers OpenStep and Web Objects programming.
- http://www.stepwise.com/