| In Honor of Seymour Cray A tribute and obituary for the late Seymour Cray. | |
| ExCray.com Resource for alumni of Cray Research. Includes a database of members, free e-mail addresses, news, and a bulletin board. | |
| Cray-Cyber Free interactive access to historical supercomputers such as a Cray Y-MP EL running UNICOS or a Cyber 960 running NOS. | |
| CRAY-1 Hardware Reference Manual The first 3 chapters of the CRAY RESEARCH CRAY-1 Hardware Reference Manual 2240004, Revision C. | |
| 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 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 Memorial Tribute to Seymour Cray with many comments from visitors. | |
| Cray Inc. Official site for the supercomputers company. Includes details of products, job opportunities, and investor information. | |
| Charles Babbage Institute: Cray Research Information about Seymour Cray and photographs of the machines. | |
| A Seymour Cray Perspective Slides from a technical presentation given by Gordon Bell of Microsoft Research. | |
