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Legacy to AI -
one process
at a time

Turn decades of legacy systems into the
foundation enterprise AI needs -   
safely, quickly, and without business disruption.

Start by making your most complex systems accessible to AI, go all the way to full modernization, or land anywhere in between — no disruption, no rewrites, and
no guesswork.

Trusted by:

Purpose built for safe modernization - from legacy to AI

Tangible business value at every step

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Big Bang Risks

Prove success on one process at a time - no all-or-nothing cutover, no downtime to mission-critical systems.

Zero
calendar

Faster Time-to-Market

Generate production-ready APIs and services in days, not the months a mainframe team usually needs.

10x
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Cost Reduction

Reuse your existing business logic instead of rewriting it — cutting legacy integration and mainframe costs 

60%
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Context Reduction

Expose only what enterprise AI needs - summaries first, full schemas on demand - so agents stay accurate and cheap to run.

99%

A proven path to modernization -
one business process at a time

Reverse Engineering

Pick a business process and point us to the sources. We discover everything at the source - apps, dependencies, data and screens - then auto-generate a full spec: workflow, business rules, data models and roles.

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Smart Integration

Expose your legacy functions as governed APIs, and simulate every change to validate it before anything moves. Legacy and modern systems keep running side by side - coexistence with zero disruption.

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Forward Engineering

Rebuild into your target platforms and cloud services. Choose your approach (reimagine, refactor or replatform), your platform and your LLM - no vendor lock-in.

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See how risk-free modernization works

  • See dependencies before you migrate (no surprises)
  • Modernize in phases with coexistence (no downtime)
  • Deploy modernization-ready services anywhere (no lock-in)

Modernize Without Compromise

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De-Risk Modernization

The revolutionary platform utilizes AI to deeply understand your legacy systems, With built-in safety planning and testing ensures continuous operations. OpenLegacy Hub progressively decouples your legacy systems and seamlessly integrates them into modern architectures.

Time to Market

Accelerate time-to-market

Auto generate standardized and well documented APIs from legacy systems using AI assistance. Go from complex and hard to reach legacy systems to cloud-native and AI friendly APIs in days instead of months.

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Future Proof Legacy Investments

Stay agile, flexible and future-ready. OpenLegacy Hub is technology agnostic and seamlessly fits within any cloud and technology stack. Stay on-prem, go hybrid, or migrate to the cloud at your pace.

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Customer Success

Global enterprises use OpenLegacy to modernize critical systems
faster – with no disruption.

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"The flexibility and proactivity of the product allowed us to come up with a tailor-made, easy-to-use solution, while the collaboration was so smooth.”

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“Our legacy system was liberated from our middleware stack, resulting in a dramatically streamlined process and significant capital savings.”

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"As the bank embarks on a digital journey to modernize our platforms, it is critical that we leverage new technologies to ensure we stay relevant in this competitive space. We are excited to partner with OpenLegacy to bring next-level digital integration for our banking services in South Korea.”

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“We've met the car insurance competitive market demand and kept our leading position as a direct insurance company.”

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"Leveraging OpenLegacy Hub, its automation, flexibility and decoupling combined with a strong and knowledgeable Customer Success team, we are positioned as a strategic modernization and integration solution."

Technology Alliances

Works with your cloud and modernization ecosystem

OpenLegacy plugs into AWS, Azure, GCP, API management, iPaaS, CI/CD, and DevSecOps tooling - so modernization aligns with how you already build and run software.

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Our Industry Solutions

Built for industries where downtime isn't an option - and modernization can't wait.

Ready to See It in Your Environment?

Our team will show you how OpenLegacy connects to your specific systems — mainframe,
IBM i, or legacy application — and generates an API in a live session.

No commitment. No specialist knowledge required on your end. Just your system details and
30 minutes.