Modernisation of legacy systems

A project example for gradual modernisation and migration

Transform how your business runs

Modernise legacy systems and strengthen core processes with tailored solutions built for your organisation. Each transformation, delivered by adesso transformer (part of the adesso Group), is supported from early planning to long-term implementation with the right tools and expertise for your business.

Bring new value to your old systems

Outdated systems don’t have to hold your business back. With the adesso transformer tool suite, legacy applications can be upgraded into modern architectures and programming languages quickly and cost-effectively.

Modernisation isn’t just a one-to-one rebuild. Enhancements and change requests can be built in from the start, so your updated system delivers added value from day one.

What works best for your business

Some applications are critical to your business but built on technologies that no longer meet current standards. A hybrid modernisation approach uses the right combination of methods to meet your specific needs: balancing speed, cost, risk and technical complexity.

The result is a modernisation strategy that fits your business, not the other way around.

The adesso transformer suite

The adesso transformer suite is a set of tools that help you simplify and accelerate legacy system modernisation. Used across a wide range of projects, it supports efficient, reliable and scalable transformations tailored to your environment. It includes components for code transformation, UI modernisation, analysis, data migration and testing, with each one designed to support a specific stage of your modernisation process.

  • Many legacy applications still contain valuable business logic, even if the technologies behind them no longer meet today’s standards. adesso transformer code helps you carry that logic into the future by automatically converting outdated languages like COBOL or PL/I into modern Java. This way, you keep the core value built over decades while preparing your systems for faster, more flexible development.

    Key capabilities:

    • Converts your legacy code into Java while preserving the business logic behind it
    • Uses pattern-based transformation to improve code readability and maintainability for your team
    • Supports the environments you rely on, including JEE and Spring, for full compatibility
    • Built on open-source technologies to give you more flexibility and long-term transparency

  • User interfaces often sit at the heart of critical business applications. adesso transformer UI modernises your legacy front ends by extracting layout, interface and data details into a reusable format. You can choose to replicate the existing UI to reduce training needs, or redesign it entirely to improve usability and internal workflows.

    Key capabilities:

    • Imports BMS masks and ISPF panels to bring legacy designs into your workflow
    • Exports into formats like Angular components, HTML forms and DTOs for flexible front-end development

  • adesso transformer analyse

    When documentation is missing or outdated, understanding how legacy applications really work becomes a challenge. adesso transformer analyse helps you uncover the structure and logic hidden in legacy code by parsing it and turning the results into a readable, searchable format.

    Key capabilities:

    • Parses your legacy code and structure definitions to give you deeper insight into how your systems actually work
    • Stores the results in your central repository so you can revisit and reuse insights whenever needed
    • Provides your team with a web-based interface for exploring, analysing and understanding legacy logic
    • Exports your data into standard formats, including XML dialects like XMI and SVG, for easy integration

  • adesso transformer batch

    Many legacy systems still rely on batch processing to run essential business operations. adesso transformer batch moves JES-based batch logic into a modern Java environment, helping you preserve functionality while improving performance and maintainability.

    Key capabilities:

    • Provides your team with a native Java batch environment built on Spring Batch
    • Automates the migration of your JCL-based batch jobs, saving time and reducing manual effort
    • Offers a RESTful API so you can integrate with your existing scheduling systems
    • Replaces outdated IBM system utilities with modern, efficient alternatives tailored to your needs

  • adesso transformer convert

    Data is at the core of every application, and migrating it to a new environment can quickly become complex, especially when outdated formats or binary fields are involved. adesso transformer convert helps you manage this process smoothly and securely, so critical data stays reliable from start to finish.

    Key capabilities:

    • Synchronises your files across networks or local systems in an audit-proof way
    • Converts code pages and formats to make your legacy data usable in modern environments
    • Offers configurable backup options to keep your migrations secure and controlled

  • adesso transformer edit

    Legacy data often needs to be accessed, reviewed or updated, whether during migration or as part of a long-term archiving strategy. adesso transformer edit gives you a web-based interface to view and edit classic IBM dataset formats directly within your target environment.

    Key capabilities:

    • Lets you view and edit IBM dataset formats right where your data lives
    • Supports COPYBOOKS, EBCDIC and ASCII so your team can work with familiar structures
    • Enables multi-user access and secure export to keep collaboration safe and controlled

  • adesso transformer test

    In large-scale modernisation projects, validating thousands of legacy files after migration can be time-consuming and error-prone. adesso transformer test helps you compare datasets from old and new systems, generating clear visual reports that highlight discrepancies and confirm data integrity.

    Key capabilities:

    • Extracts data from your legacy and target systems to run accurate comparisons
    • Generates graphical reports so you can quickly spot mismatches and confirm migration success

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