Best Mainframe Application Development Software for C++

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Compare the Top Mainframe Application Development Software that integrates with C++ as of August 2026

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This a list of Mainframe Application Development software that integrates with C++. Use the filters on the left to add additional filters for products that have integrations with C++. View the products that work with C++ in the table below.

What is Mainframe Application Development Software for C++?

Mainframe application development software provides tools and environments for building, testing, deploying, and maintaining applications that run on mainframe systems. These platforms support programming languages commonly used in enterprise mainframes, such as COBOL, PL/I, Assembler, and Java, while enabling integration with modern development workflows. The software often includes debugging, code editing, workload management, source control, and automated testing capabilities to improve developer productivity and application reliability. Many solutions integrate with DevOps pipelines, cloud platforms, and API frameworks to help organizations modernize legacy systems and connect them with newer technologies. By supporting high-performance, large-scale transaction processing and mission-critical workloads, mainframe application development software remains essential for industries such as banking, insurance, government, and telecommunications. Compare and read user reviews of the best Mainframe Application Development software for C++ currently available using the table below. This list is updated regularly.

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    Z/XDC

    Z/XDC

    ColeSoft

    Z/XDC gives developers interactive, source-level debugging for mainframe programs across any z/OS environment, helping them step through live code, inspect variables in real time, and resolve issues faster than traditional methods. It eliminates blind debugging by providing complete, real-time visibility into program execution and bringing modern debugging capabilities to mainframe development. Developers can dramatically reduce debugging time from days to hours, test theories immediately without lengthy recompile cycles, make ad hoc changes, perform “what if” scenarios, fix issues, and verify corrections without recompiling. Z/XDC supports line-by-line code stepping, on-the-fly code changes, flag flipping, data field and register modification, PSW control, module loading and deletion, GETMAINs and FREEMAINs, and Event Control Block posting. It provides source-level visibility so developers can view code as written, automatically load source image maps from ADATA, and more.
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  • 2
    OpenFrame

    OpenFrame

    TmaxSoft

    OpenFrame from TmaxSoft is a comprehensive mainframe modernization and replatforming solution that enables organizations to migrate legacy mainframe applications and data to open systems such as Linux, Unix, Docker containers, or public cloud environments without modifying existing business logic, preserving core functionality while reducing total cost of ownership and avoiding risky rewrites. It delivers a future-oriented, standard three-tier architecture that improves performance, stability, flexibility, and scalability compared with traditional mainframes, with support for over 100K MIPS and increased processing capacity. OpenFrame uses advanced compiler technology and an integrated asset analysis environment (OF Manager) to automatically convert user interface logic, application logic, and data structures so applications run natively in open environments with minimal manual effort, enabling existing personnel and skill sets to be retained.
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