Legacy Modernization
Modernize what works. Don't gamble it on a rewrite.
Most mid-market companies run on systems that still work but are showing their age — legacy .NET, Windows desktop apps, and old databases. We extend and AI-enable the system you already depend on, instead of betting the business on a from-scratch rewrite.
Why this exists
The rewrite is where budgets and timelines go to die.
Most mid-market US companies run on systems that work but are aging — legacy .NET applications, single-user Windows desktop apps, old Access or legacy SQL databases that have quietly carried the business for a decade or more. The instinct, eventually, is to rip it all out and rebuild from scratch.
The reality is that full rewrites are where budgets and timelines die. They take years, stall mid-flight, lose the institutional logic buried in the old code, and force users to relearn everything overnight — all while the system that actually runs the business sits frozen.
InWork takes the opposite path. We extend and AI-enable the system you already depend on: stabilize it, wrap it in modern services, layer in AI where it creates value, and migrate incrementally — so the working system keeps running the whole time.
What we modernize
The systems quietly running your business.
Legacy .NET & desktop apps
Stabilize & extendAging .NET applications and single-user Windows desktop software — stabilized, wrapped in modern services, and extended with new capability without discarding the proven core.
Old databases
ModernizeAccess and legacy SQL data stores migrated to modern PostgreSQL and cloud databases — with the existing schema and institutional logic preserved, not reinvented.
Single-user to multi-user
Web platformDesktop tools that one person ran at a time, reborn as secure multi-user web platforms your whole team can work in from anywhere.
Monoliths to services
ArchitectureTightly coupled monoliths decomposed into clean APIs and microservices around a stable core — so new features ship without destabilizing what already works.
Manual workflows
AI automationRepetitive, manual steps that live inside the old system replaced with AI-assisted automation — added incrementally, where it earns its place.
The approach
The AI-retrofit method.
Extend and AI-enable the system you have — incrementally, while it keeps running.
Extend, don't rewrite
We build modern AI microservices around a proven core rather than replacing it. The logic that already works stays intact; the new capability wraps around it.
Strangler-fig migration
We migrate incrementally, function by function, so the system keeps running in production the entire time. No big-bang cutover, no frozen business.
OTA updates & observability
Over-the-air auto-update and full observability are built in — so the modernized system can be improved continuously and monitored in production.
Compliance & audit trails
Audit trails, access controls, and compliance-aware handling are layered into systems that predate them — added in without rebuilding from zero.
Delivery model
From a legacy codebase to a system that keeps evolving.
Assess — review the legacy codebase, data, and dependencies, and map the real modernization risk before touching anything.
Stabilize — fix the critical bugs, add monitoring, and get the existing system to a known-good, observable baseline.
Wrap — expose the proven core through clean APIs and services so new capability can attach safely.
Layer AI — add AI capability where it creates real value, built as services around the stabilized core.
Migrate — incrementally move the data and UI to the modern stack, function by function, while the system stays live.
Operate — InWork maintains the modernized system: monitoring, updates, and ongoing capability are ours to carry.
Proof
We've done this — repeatedly.
Real modernizations from our delivery history. Clients are anonymized except where publicly authorized.
18-year AI communication platform
A multi-vertical communication platform with 18 years of accumulated logic, extended into modern AI microservices — new capability delivered around the proven core, without a rewrite.
15-year desktop + Access system
A 15-year-old single-user Windows desktop application backed by an Access database, replaced by a multi-user Next.js and Node web portal — the institutional logic preserved, the reach transformed.
ExhibitView trial-presentation product
ExhibitView, a courtroom trial-presentation product, was rescued from a stalled .NET engagement and returned to active delivery — a legacy rescue brought back on track. See our Legal Technology work.
The case for retrofit