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Practical Guide to Managing and Modernizing Legacy Applications

Strategies, best practices, and real-world examples to reduce risk, cut costs, and future-proof your systems.

managing legacy pracical guide title

Outdated software isn’t harmless — it’s holding you back.

Most organizations spend 70–90% of their IT budgets maintaining outdated systems. These legacy platforms are expensive to keep running, lack vendor support, and block scalability for cloud and AI initiatives.

In this white paper, we break down the hidden cost of software obsolescence, explain when maintenance stops making business sense, and share how leading enterprises modernized their systems with measurable results.

Learn how companies like Claim Toolkit, JP Morgan Chase, and Barrett Values Centre transformed their legacy stacks, reducing downtime, improving scalability, and cutting costs by up to 30%.

Who should read this

  • CIOs and CTOs managing outdated infrastructure
  • IT directors planning digital transformation initiatives
  • Business leaders exploring AI readiness or cloud migration
  • Operations heads frustrated with growing maintenance costs

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“Code District successfully launched our application on time. The team worked hard, adjusted to our schedule, and ensured our requests were turned around very quickly. They asked the right questions, used sound judgment, and made consistent progress, demonstrating strong technical skills and a driven attitude.”

joel cumming
Joel Cumming CTO, Skywatch