UPDATED FOR 2025

The Ecosystem for
Mainframe Software

Connect with the tools that power the world's infrastructure. Search over 2,800 products, compare 460+ vendors, and discover the latest webinars & events driving the legacy modernization industry.

Popular: Db2 Monitoring IBM
2,800+

Software Products

Explore tools for z/OS, z/VSE, and Linux on Z. Find replacements and upgrades.

460+

Vendor Directory

From IBM to niche ISVs. Check support status, acquisitions, and contacts.

50+

Browse Categories

Filter by function: Security, Database, Tape Management, DevOps, and more.

Live & Upcoming Events

Webinars, User Groups, and Industry Conferences

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NOV 24
Webinar

Modernizing CICS with APIs

Learn how to expose legacy CICS transactions as RESTful APIs without changing code.

By Rocket Software 11:00 AM EST
DEC 05
Conference

Mainframe Tech Exchange 2025

The annual gathering for IBM Z professionals, system programmers, and architects.

Las Vegas, NV In-Person

Featured Products

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SPONSORED

Mainform IT

A comprehensive solution for managing mainframe print output. Seamlessly integrate legacy print streams with modern Windows-based forms and distribution channels.

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UltraQuest Web Services

Rapidly enable CICS and other mainframe data sources for the web. Create robust APIs without deep Java knowledge or changing underlying COBOL logic.

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Top Vendor Profiles

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Knowledge Base

Educational resources to help you navigate the mainframe landscape.

Frequently Asked Questions

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Mainframe Glossary

Essential mainframe terminology and definitions to help you understand the ecosystem.

LPAR VSAM JES2 CICS
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Interview Questions & Answers

Prepare for mainframe roles with curated interview questions and detailed answers.

  • • COBOL Interview Questions
  • • JCL Interview Questions
  • • DB2 Interview Questions
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