Best Mainframe Application Development Software for COBOL
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Compare the Top Mainframe Application Development Software that integrates with COBOL as of May 2026
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This a list of Mainframe Application Development software that integrates with COBOL. Use the filters on the left to add additional filters for products that have integrations with COBOL. View the products that work with COBOL in the table below.
What is Mainframe Application Development Software for COBOL?
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 COBOL currently available using the table below. This list is updated regularly.
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1
BMC AMI DevX
BMC Software
BMC AMI DevX reimagines mainframe development by helping teams build better code with less friction, stronger flow, and a more modern developer experience. It unifies agile development, testing, debugging, promotion, and delivery in a mainframe-inclusive toolchain designed to support developers at every skill level. Teams can work directly in preferred environments such as Eclipse and VS Code, reducing context switching and simplifying onboarding for new developers. BMC AMI DevX helps streamline editing, build, source code management, approvals, and deployment through Code Pipeline, enabling concurrent development, faster releases, and more secure delivery. Code Insights gives developers real-time visibility into complex mainframe applications, helping visualize logic, dependencies, and monolithic code structures, while generative AI explanations support faster understanding of unfamiliar COBOL, JCL, PL/I, and Assembler code. -
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Imogen
Mechanical Orchard
Mechanical Orchard’s Imogen platform rewrites mainframe applications with confidence by using real data flows, not just code translation, to safely rebuild aging systems into modern code. Legacy modernization is often slowed by stopgap patches, cloud emulation, technical debt, integration risk, and high-stakes cutover moments, but Imogen changes the risk equation with a behavior-first, test-driven approach. Instead of focusing only on code, Imogen captures how individual workloads actually behave through real data flows and creates a precisely equivalent behavioral replica of a complex system through a clear, iterative, and transparent process. It builds a precise behavioral specification from the running system, then applies a closed loop of rapid code generation and verification against those specifications, creating software that is audit-quality, idiomatic, and ready for what comes next. -
3
Rocket Enterprise Analyzer
Rocket Software
Rocket® Enterprise Analyzer is an application intelligence and static analysis platform, purpose-built to give organizations deep, actionable insight into their most complex mainframe application portfolios. As enterprises work to modernize and transform their core business systems, Rocket Enterprise Analyzer dramatically reduces risk and accelerates timelines by thoroughly examining source code, databases, job schedulers, and system definitions—no matter the scale. -
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Assembler Code Refactoring
Rocket Software
Rocket Assembler Code Refactoring is a specialized modernization solution that automatically restructures legacy Assembler code into structured pseudocode or modern languages such as COBOL, C, or Java without altering external behavior, enabling faster, lower-risk modernization and improved maintainability. Assembler code is notoriously dense, poorly documented, and supported by a shrinking pool of specialists, making maintenance slow, costly, and error-prone; this product addresses those challenges by delivering semantics-preserving, auditable transformations that reduce outages and secure modernization without sacrificing stability. Its fully automated core engine uses mathematically guaranteed logic equivalence to eliminate conversion risk, dramatically accelerating projects while ensuring that refactored outputs are semantically identical to the original code. -
5
Rocket Enterprise Suite
Rocket Software
Rocket® Enterprise Suite is an application modernization solution designed to reduce the risk of mainframe modernization by allowing organizations to migrate mainframe applications in their existing code. This minimizes failure risk and delivers faster project timelines. It supports both COBOL and PL/I workloads and can be deployed on-premises, in the cloud, or in hybrid environments, providing flexibility for diverse IT infrastructures. The suite includes tools for analyzing, securing, accessing, developing, testing, deploying, and migrating mainframe applications. It uses an AI-powered natural language assistant to simplify code analysis, making it easier for teams to understand and document complex mainframe applications and improve DevOps practices Backed by 40 years of experience and thousands of successful mainframe modernization projects, Rocket Enterprise Suite is built to deliver modern application development with lower project risk and increased development speed. -
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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. -
7
CodeTurn
Astadia
CodeTurn is Astadia’s automated mainframe code conversion product, built to automatically transform legacy source code into modern source code that is maintainable and 100% functionally equivalent to the original. It takes an application’s source code and converts it to functionally identical sources, ready to run in an alternative environment on the same platform or on a different platform altogether. Because the conversion and testing are fully automated, the outcome of the modernization project becomes highly predictable in terms of risks, costs, and duration. The migrated application is free of dependencies on proprietary Astadia software and relies on native industry-standard technologies instead. CodeTurn integrates all aspects of conversion to produce high-quality, functionally equivalent code and is typically used with Astadia tools such as DataTurn for legacy data migration, TestMatch for automated testing, and DataMatch for automated batch testing. -
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AveriSource
AveriSource
AveriSource accelerates midrange and mainframe modernization through application intelligence, business rules extraction, and AI-powered transformation. It provides a comprehensive, proven modernization technology for organizations looking to accelerate and streamline their modernization journey, with the insight, accuracy, and flexibility to support complex legacy modernization projects. From early-stage assessments through end-to-end refactor, replatform, or reimagine transformation initiatives, it aligns with modernization goals and helps teams make informed strategic decisions. It supports the full modernization journey by helping organizations assess legacy application landscapes, rationalize which applications to modernize, and execute the right modernization strategy. AveriSource Inventory develops a comprehensive understanding of legacy applications by uncovering code insights, identifying unused files, and verifying environmental completeness. -
9
2E
Broadcom
2E simplifies IBM i application development by integrating design modeling, native code generation, and deployment tools in a single environment. It helps teams rapidly develop and modernize IBM i business applications while preserving the value of existing systems and reducing the complexity of traditional development. With 2E, developers can design applications at a higher level of abstraction and automatically generate native IBM i code, helping improve productivity, consistency, and maintainability across the application lifecycle. It supports model-based development, enabling teams to define business rules, data structures, screens, and application logic in a structured way before generating reliable applications for IBM i environments. It helps organizations accelerate delivery, improve application quality, and make development more accessible by reducing the amount of manual coding required. -
10
SQL-Ease for Db2 for z/OS
Broadcom
SQL-Ease for Db2 for z/OS helps developers speed up application review, debugging, and SQL performance tuning without leaving the ISPF edit session. It reduces program development time by allowing programmers to test and fine-tune SQL statements before the program is compiled. Embedded SQL can be tested, debugged, and tuned directly from the ISPF editor, with functions for generating, standardizing, checking, executing, explaining, and analyzing SQL. SQL-Ease generates syntactically correct SELECT, UPDATE, DELETE, INSERT, MERGE, JOIN, UNION, and subselect statements for COBOL, Assembler, SPUFI, PL/I, and C programs, then places the SQL at the specified location. It can standardize hand-coded SQL into a consistent, easy-to-read format, check SQL syntax, execute SQL from an application program or SQL Editor, and return results with important execution statistics.
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