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The Arcati Mainframe Yearbook

The Arcati Mainframe Yearbook has been the de facto reference work for IT professionals working with z/OS (and its forerunner) systems since 2005. The Yearbook includes an annual user survey, an up-to-date directory of vendors and consultants, a guide to sources of information (including newsletters, magazines, user groups, blogs, and social networking), a strategy section with papers on mainframe trends and directions, a glossary of terminology, and a mainframe evolution section. Each year, the Yearbook is downloaded by around 21,000 mainframe professionals. The brand new 2023 edition is now available at


Arcati Mainframe Yearbook 2023

Every autumn, many mainframe professionals will receive an email telling them that we have started work on the next edition of the Arcati Mainframe Yearbook. If you don’t hear from us, then email us and I will add you to our mailing list.

Each year, we invite mainframe professionals to complete the annual user survey. The more users who complete the survey, the more accurate and therefore useful the survey report will be. All respondents receive a free PDF copy of the survey results on publication. The identity and company information of all respondents is treated in confidence and will never be divulged to third parties. And any comments made by respondents will be anonymized before publication. If you go to user group meetings, IOD, GSE Europe, etc, or just hang out with mainframers from other sites, please pass on the word about this survey.

Vendors, consultants, and service provider, can get a free entry in the vendor directory section by completing a form, which can also be used to amend last year’s entry.

Also, there is an opportunity for organizations to sponsor the Yearbook or take out a half-page advertisement. Half-page adverts are 5.5in x 8.5in max landscape. Sponsors get a full-page advert (11in x 8.5in portrait) in the Yearbook; inclusion of a corporate paper in the Mainframe Strategy section of the Yearbook; and a logo/link on the Yearbook download page on the Arcati website.

One of the things that the Yearbook is well-known for is its inciteful user survey. All mainframers are invited to complete the user survey by Friday 25 November. Everyone who does complete the survey will receive a FREE PDF copy of the survey results in January, in advance of the publication of the full Yearbook.

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