linkedin

DOOR3 modernizes software for
Pepsi & AIG.
Find out what we can do for you.

Book a free assestment

AIG logo
Ansell logo
Pepsico logo
CNH logo
Blue Voyant logo
COTY logo
Guy Carpenter logo
Olympus logo
Munich RE logo
Johnson & Johnson logo
AIG logo
Ansell logo
Pepsico logo
CNH logo
Blue Voyant logo
COTY logo
Guy Carpenter logo
Olympus logo
Munich RE logo
Johnson & Johnson logo
Our experts img

Solve your legacy application problems with DOOR3

Our experts img

Are you struggling with an old application that’s slow, hard to use, or impossible to upgrade? If your business relies on outdated software that’s hard to manage and frustrates your employees with inefficiencies, it’s time for a change.

At DOOR3, we specialize in helping businesses solve these common issues and more, with customized solutions designed to make your systems faster, easier to use, and ready for the future.

Common problems we solve

Single point of failure

Eliminate this major risk by making your system easier to use and maintain.

Slow performance

Old system slowing down your business and costing you? We can revamp it for speed and efficiency.

Hard to use / Hard to train

Usability woes hampering training? We redesign systems to be intuitive and user-friendly.

Inefficiency

If your application impedes work, modernizing will streamline processes and reduce technical debt.

Upgrade challenges

If every upgrade feels like a disaster, its time to modernize and future-proof your system.

Lack of integration

If your application doesn’t integrate well, we can re-engineer for seamless inter-platform linkages.

Reporting frustrations

We refactor your system to provide better access to data for improved reporting and decision-making.

Maintenance costs

We help you replace old systems with modern, cost-efficient platforms that are easier to maintain.

End-of-life concerns

If your software is nearing end-of-life its time to migrate to a sustainable, future-proof solution.

Expertise across a range of technologies

At DOOR3, we have deep experience working with outdated technologies like FoxPro, Delphi, PowerBuilder, and more. Whether your application was built in Lotus Notes, Visual Basic 6, Pascal, or any other older platform, we have the expertise to help you re-platform, redesign, and modernize it.

Our legacy system modernization services include:

  • Upgrading for better scalability, performance, and security
  • Refactoring code to reduce technical debt and improve maintainability
  • Re-architecting for cloud, mobile, or other modern platforms

Free Project Assestment

Book time with an expert
Modernize your business

Modernize your business for the future

Modernize your business

Your legacy application shouldn’t hold you back. At DOOR3, we work with you to transform your outdated system into a powerful, efficient tool that integrates seamlessly into your business.

Our modernization strategies help reduce costs, improve user experiences, and ensure your technology evolves alongside your business.

Our experts img

Why choose DOOR3?

Our experts img
  • Experience

    We have a proven track record in modernizing systems built on outdated technologies.

  • Realiability

    We deliver results on time and within budget, with transparent, collaborative processes.

  • Strategic approach

    We don’t just update your system—we help you develop a long-term strategy for your technology to ensure it stays relevant and scalable.

“They know design, they know technology, and most importantly, they stick around until they get it done. I would recommend DOOR3 to anyone who needs reliable Web design and mission-critical, robust software development.”

Patrick McGill, Director, Online Production CSTV/CBS Online, Inc

+30
reviews on Clutch

clutch-logo

“The process was fun, and it was energizing to work with DOOR3.”

Alexis Lellios UX Manager, SaaS Company
clutch-logo

“They had a great team, and we have nothing but praise for them.”

Debbie Penko Chief Product Officer, RISA Tech
clutch-logo

“DOOR3 was able to put everything together and help us achieve what we wanted.”

Andrés Santos Senior Software Engineer, Retrievr Inc
 Modernization | DOOR3