PopUp Mainframe Announces Even Greater Delivery Flexibility For Mainframe Developers

STRAND, U.K. - Jan. 5, 2026 - PRLog -- PopUp Mainframe Ltd, an enterprise software company dedicated to revolutionizing mainframe system delivery, today announced the general availability (GA) of a new mainframe modernization products – PopUp Mainframe Flex Edition.

PopUp Mainframe Flex Edition provide an instantly available mainframe environment whenever required to help mainframe delivery teams accelerate urgent development, testing, and training activities, with a flexible commercial model to suit occasional usage.

"As fantastic as the mainframe is as a production environment, there remain struggles and bottlenecks in how quickly change can be delivered, which brings a high cost of change. Our vision with PopUp Mainframe is to revolutionize the mainframe delivery process by offering a ready-to-use mainframe environment, instantly, to anyone, including the option to use the product on an as-needed basis," said CEO and Founder, Gary Thornhill.

PopUp Mainframe Flex Edition provides same capabilities as the core PopUp Mainframe Z and X Edition products – with the key addition of being offered on a pay-as-you-go basis. The product offers –

• Flexibility to only pay for what you use, managed on a daily or monthly basis.
• Flexibility to install and use on premise, in your data center or, by arrangement, hosted at an accredited partner's data center.
• Flexibility to support modern, rapid application development, test, and training processes to help accelerate delivering value to clients.
• Flexibility to support your preferred mainframe tools, subsystems and versions that match your technology strategy and customer requirements.

Steven Dickens, CEO & Principal Analyst at HyperFRAME Research, remarked, "PopUp Mainframe's tools unlock new possibilities for mainframe agility and workload development and testing. This further move to provide greater flexibility to users could offer a sensible and compelling option to those currently assessing their mainframe application delivery processes, and reflects a subtle shift in market dynamics."

Release Highlights

Key facilities in Flex Edition include:

• z/OS Equivalency - The product behaves the same as physical mainframe environments, and supports all mainframe subsystems, applications, and data stores
• Integration - Supporting IBM, open source, and 3rd party development tools, PopUp fully supports today's mainframe delivery processes
• Data Compliance - The product supports full, compliant data masking capabilities through a variety of 3rd party integrations
• Flexibility and Productivity - PopUp includes facilities to automate sharing and restarting environments, and streamlined administration using Ansible playbooks
• Instantaneous Availability - The product can be initiated and shut down in minutes, ensuring rapid availability and resource efficiency.

For more information on this release, visit the product page and download the datasheets here. (https://www.popup-mainframe.com/popup-mainframe-flex-edit...) Follow PopUp Mainframe on LinkedIn (https://www.linkedin.com/company/popup-mainframe/).