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Your logic is an asset.
The window is just old.

We modernize legacy PowerBuilder applications into web and mobile platforms — preserving every business rule, DataWindow by DataWindow, while replacing the interface your users have been complaining about for years.

Business rules lost

30+

Years of PB expertise

10×

Faster than a rewrite

Questions we hear before every project starts.

The organizations we work with have usually been burned before — by vendors who underestimated complexity, rewrites that lost business logic, or projects that ran for years without delivering.

Before you approve a rewrite budget, talk to us first.

Have a question that's not here?

We do a free 30-minute technical scoping call before any engagement. No obligation, no pitch — just honest answers about your specific situation.

Book a scoping call

Will you really preserve every business rule, or is that just marketing?

How long does a full modernization take?

What happens to our existing database?

Our senior PB developer is retiring. Can you help before they leave?

Can we use PB2025 to extend the application's life instead of modernizing?

What does your outstaffing model actually look like?

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Marketing

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Your logic is an asset.
The window is just old.

Three ways we help PowerBuilder companies move forward.

PowerBuilder Modernization

PowerBuilder Outstaffing

PowerBuilder Maintenance

Trusted by the PowerBuilder ecosystem.

Appeon Authorized Consulting Partner

Latest insights.

The target architecture for a modernized PowerBuilder application is a clean three-tier system

How do you actually preserve DataWindow logic in a .NET world?

The standard measure of a successful migration: does the new system produce the same results?

Questions we hear before every project starts.

Have a question that's not here?

We've never lost a business rule. Not one.

Your logic is an asset.The window is just old.

Three ways we help PowerBuilder companies move forward.

PowerBuilder Modernization

PowerBuilder Outstaffing

PowerBuilder Maintenance

Trusted by the PowerBuilder ecosystem.

Appeon Authorized Consulting Partner

Latest insights.

The target architecture for a modernized PowerBuilder application is a clean three-tier system

How do you actually preserve DataWindow logic in a .NET world?

The standard measure of a successful migration: does the new system produce the same results?

Questions we hear before every project starts.

Have a question that's not here?

We've never lost a business rule. Not one.

Your logic is an asset.
The window is just old.