Legacy Application Support

Legacy applications often remain essential to daily business operations long after their original technologies, architectures, and development environments have become outdated. Replacing these applications is not always practical. They may contain critical business logic, support important operational processes, or depend on data and integrations that would be difficult to replace. GBY Software provides legacy application support services that help organizations maintain, troubleshoot, enhance, and extend the useful life of existing applications while providing a practical path toward future modernization.

Support Your Existing Applications Without Replacing Them

Not every legacy application needs to be replaced immediately. Some applications continue to provide significant business value despite being built with older technologies or architectures. GBY Software helps organizations take a practical approach by supporting and stabilizing existing applications while evaluating longer-term options. Depending on your situation, this may include continuing to maintain the application, selectively improving specific components, addressing technical debt, or gradually preparing the application for modernization.

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Keep Your Critical Legacy Applications Reliable, Maintainable, and Supported

Legacy Application Support Services

Supporting a legacy application requires more than fixing occasional bugs. Organizations need to understand how the application works, how it interacts with other systems, and what risks can affect its continued operation. GBY Software helps organizations maintain existing applications while addressing technical issues, application changes, integrations, performance concerns, and evolving business requirements.

Application Maintenance

Maintain existing applications through ongoing fixes, enhancements, technical updates, and development support.

Production Support

Investigate and resolve application issues affecting production environments and business operations.

Bug Fixes & Troubleshooting

Identify the underlying causes of application problems and implement appropriate fixes while minimizing disruption.

Application Enhancements

Extend existing applications with new features and functionality without requiring a complete replacement.

Performance Optimization

Identify application, database, and architectural issues that may affect responsiveness, reliability, or scalability.

Technical Debt Management

Identify outdated components, dependencies, architecture limitations, and other technical debt that can increase maintenance costs and application risk.

Integration Support

Maintain integrations between legacy applications, databases, APIs, third-party services, and other enterprise systems.

Database Support

Support the databases and data access components that existing applications depend on, including troubleshooting, optimization, and application-level database development.

What We Support

Legacy applications can exist across many technology generations and development environments. GBY Software can support applications built with both established and modern Microsoft technologies, as well as other technologies commonly found in business and enterprise environments.

.NET & Microsoft Applications

check .NET Framework

check ASP.NET

check C#

check VB.NET

check Windows Forms

check WPF

check ASP.NET Web Forms

check ASP.NET MVC

check ADO.NET

check Entity Framework

Legacy & Established Technologies

check PowerBuilder & PFCs

check Classic ASP

check Visual Basic

check C/C++

check Client-server applications

check Custom business applications

Databases

check MySQL

check Oracle

check MS SQL Server

check Sybase

check Sybase SQL Anywhere

check MS Access

check PostgreSQL

Application Environments

check Web applications

check Desktop applications

check Client-server applications

check Database-driven applications

check Enterprise applications

check Internal business applications

check API and backend systems

Improve the Reliability of Legacy Applications

Older applications can become increasingly difficult to maintain when the original developers are no longer available, documentation is incomplete, or the technology stack is no longer commonly used.

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How GBY Software Improve Application Maintainability

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Documenting application behavior

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Understanding application dependencies

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Identifying critical components

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Reviewing application architecture

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Improving error handling

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Addressing recurring defects

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Improving development processes

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Identifying high-risk areas

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Improving development processes

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