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OpenLegacy's Versatile Integration: Beyond Databases and Traditional Methods

Let OpenLegacy show you how to take an automated approach to creating digital services for any legacy asset or source bypassing traditional middleware to connect directly to backends - Speeding new innovation development from months to days.

Some Situations Require Other and/or Additional Integration Sources

Accelerate time to market

Green Screens

Often based on business context, legacy investments, Security, and risk management, clients will opt to continue using the 3270 or 5250 terminal screens as an interface

Drastically reduce cost and risk

Message Queue

In some cases connecting to the MQ offers a range of advantages that can enhance reliability, scalability, and flexibility, especially in complex enterprise environments

Future-proof your innovation strategy

Protocols & Files

Some cost considerations, application dependencies, short term needs, compatibility concerns, and vendor lock-in may result in requiring to connect with protocols and file systems

Connectors for Other Sources

OpenLegacy's connector technology acts as a bridge between legacy databases and modern applications - helping organizations leverage their existing investments in legacy systems while allowing them to meet the demands of modern IT environments more effectively


IBM MQ Cobol

Queue based communication with IBM MQ based on Cobol


Queue based communication with IBM MQ based on PCML

Heirloom CICS

Compatibility of Java APIs migrated from Cobol using Heirloom’s technology

Tuxedo JOLT & JCA
Calls to Tuxedo JCA or JCL

IBM i (AS400) 5250 Screens

RPC calls to IBM i based on the 5250 emulation

Mainframe 3270 Screens

RPC calls to mainframe based on the 3270 emulation
TCP based communication with Card systems over ISO-8583
Active MQ
Queue based communication (JMS) with Active MQ


RPC CORBA calls, based on IDL


RPC calls using OData

Calls to REST based on XML
HTTP calls to REST services
HTTP calls to REST services (“Contract First”)
Calls to REST based on XSD
Calls to SOAP web services based on WSDL
File based communication supporting various formats
File based communication over SFTP
Event driven communication based on Kafka
Mainframe Dataset
Batch calls reading VSAM files from mainframe, based on JCL
RPC calls reading VSAM files from CICS mainframe

Customer Stories

Leading enterprises across the globe are using OpenLegacy to unlock the value of their legacy systems

"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.”

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

"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.”

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

"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."

Citi Logo White

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How Your Peers Solved Common IBM Mainframe Challenges

This white paper covers insightful, real-life user stories about how your IBM Mainframe peers have approached common issues that you may be facing now.

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