| Cray Inc.: Official site for the supercomputers company. Includes details of products, job opportunities, and investor information. |
| A Seymour Cray Perspective: Slides from a technical presentation given by Gordon Bell of Microsoft Research. |
| Cray Supercomputer FAQ: An extensive set of questions and answers on topics such as Cray Supercomputer families and buying secondhand machines. Includes technical documents and anecdotes. |
| Cray User Group: An independent, international consortium of organizations that own or use Cray or SGI computer systems. Includes membership details, announcements, conference details, and working group information. |
| CRAY-1 Hardware Reference Manual: The first 3 chapters of the CRAY RESEARCH CRAY-1 Hardware Reference Manual 2240004, Revision C. |
| Cray-Cyber: Free interactive access to historical supercomputers such as a Cray Y-MP EL running UNICOS or a Cyber 960 running NOS. |
| ExCray.com: Resource for alumni of Cray Research. Includes a database of members, free e-mail addresses, news, and a bulletin board. |
Classical
