GPLed multiuser OS. In development for 4 years, object oriented multi-threaded GUI, 64-bit journaling file system, and Synchronous MultiProcessor (SMP) support.

Information on booting AtheOS in VMware. The site includes (slightly outdated) pre-made images.

Hardware compatibility list for AtheOS and Syllable, for items such as video and sound cards, motherboards. Sorts user-contributed ratings by manufacturer, type, level of AtheOS driver support. Search database of hardware reviews.

Windowing system for Linux based on AtheOS, ported by Bill Hayden. Uses AtheOS GUI system atop Linux kernel, but aims to become an independent OS, and to fully support BeOS API and have source compatibility with BeOS programs.

Asks Skauen's views on binary compatibility in future versions of AtheOS, multithreading, and the future of his OS in general. [OSNews]

Has a few scripts and software ports that work with AtheOS, and notes on inner workings of AppServer and startup sequence, possibly of interest to some developers.

The official developers' mailing list for AtheOS is where most users of AtheOS discuss programming and news and post their questions concerning development.

It lists various user and developer questions and answers about AtheOS in FAQ format. Specifically, it covers how to set a view to use a fixed font, how to compile the sources from scratch, and how to handle graphics. The AtheOS Info Site also discusses particulars of the AtheOS API and Unicode support.

AtheOS news and community forums.