OpenLegacy delivers phased, continuous, and structured legacy modernization eliminating risk, accelerating cloud adoption, and unlocking business value faster than any other approach.
OpenLegacy is redefining legacy modernization, providing enterprises with the fastest, most secure path to the cloud. Integration is not the goal full modernization is the mission. OpenLegacy is the bridge to transformation. Phased modernization accelerates transformation, reduces risk, and slashes costs. Enterprises no longer have to gamble on outdated, high-risk approaches. With the OpenLegacy Hub at its core, OpenLegacy automates legacy dependency analysis, integration planning, and structured integrations for migration execution, ensuring enterprises modernize on their terms without disruption.
Highlights
Structured, Risk-Free Modernization:
Proactively eliminates migration risks by discovering, structuring, and resolving legacy dependencies before workloads move to the cloud. Ensures a structured, low-risk approach that maintains business continuity, prevents failures, and enables seamless modernization
Future-Proofed, Automated Modernization:
Automates the development of cloud-ready services with a structured, standardized, and repeatable approach. Enables organizations to modernize incrementally, eliminate legacy dependencies, and ensure systems remain adaptable to future technologies
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Pricing is based on the duration and terms of your contract with the vendor. This entitles you to a specified quantity of use for the contract duration. If you choose not to renew or replace your contract before it ends, access to these entitlements will expire.
Additional AWS infrastructure costs may apply. Use the AWS Pricing Calculator to estimate your infrastructure costs.
You buy this platform through one annual subscription measured in API method units. Pricing scales with how many API methods you need to run. Each method connects a legacy system to modern applications. Two method types set the rate: Premium units cover mainframe sources, and Standard units cover non-mainframe sources. You commit to a quantity of each type for a one-year term. Your total cost grows as you add more Premium or Standard method units, so you size the subscription to match the legacy systems you plan to expose.
Top-of-mind questions for buyers
What counts as one API method unit for billing?
One API method is a single generated service that connects a legacy source to a modern application. The platform exposes data and logic from systems like mainframe or non-mainframe sources as REST, SOAP, or event-based services. Each method you generate and run counts as one unit toward your subscription quantity.
What is the difference between a Premium unit and a Standard unit?
Premium units cover API methods that connect to mainframe sources, such as CICS, DB2, IMS, or VSAM systems. Standard units cover API methods for non-mainframe sources. Each type is priced separately, so the source system your method connects to sets which unit type applies.
What drives my total cost when I need both mainframe and non-mainframe connections?
You commit to a quantity of Premium units and a quantity of Standard units. The two totals add together on one annual invoice. Adding more mainframe methods raises the Premium portion, while adding non-mainframe methods raises the Standard portion. Size each type to match the systems you plan to expose.
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OpenLegacy offers a cloud-first legacy modernization platform. OpenLegacy Hub delivers high ROI with a simple, disruption-free, method to generate, extend and manage digital services from legacy systems to the cloud.
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