NgoSource Inc | Legacy App Modernization, Custom Software & AI - League City, TX
NgoSourceInc
CALL US(713) 231-4019 Free Consultation
ENTERPRISE SOFTWARE & AI CONSULTING · LEAGUE CITY, TX

Old software is a liability.
We convert it into an asset.

Legacy Windows and desktop applications rebuilt as modern, secure web platforms - while your business keeps running. Senior engineers only. $1M+ initiatives.

Get your free modernization assessment Or call (713) 231-4019 →

15-minute call · you talk to a senior engineer, not a salesperson · no obligation

Why convert to web? Any device, anywhere - zero installs, one version for everyone.

School Manager 2003▁ ▢ ✕
File  Edit  Records  Help
ID:STU-0214Grade:7 ▾
Name:Nguyen, Ana
NameGrGPA
Nguyen, Ana73.8
Carter, Ben73.4
AddEditDelete
→
schoolapp.com/students
StudentsClasses · Reports · Settings
214 students12 classes3.6 avg GPA
🔍 Search students…Grade 7 ▾
ANAna Nguyen · B-2043.8
BCBen Carter · B-2043.4
MFMia Flores · A-1103.9
+ Add student
Wow. The same school app your staff knows - now in the browser, on any device, nothing to install.

Why convert to web? Role-based security, audit trails, and updates that ship to everyone instantly.

BillingDesk WPF v4.2— ▢ ✕
InvoicesClientsPaymentsReports
From:06/01/26To:07/11/26Filter
INV-0412$1,240
INV-0413$860
INV-0414$2,310
PostPrintExport
3 of 128 invoicesTotal: $4,410
→
billing.app/invoices
Invoices+ New
$12.4K paid$3.2K due128 total
INV-0412 · Acme Co$1,240 ✓
INV-0413 · Brightline$860 · due
INV-0414 · Corex$2,310 ✓
Wow - again. Your WPF billing system as a secure web app, with audit trails the desktop never had.

Why one web platform? One login, live data, every department finally in sync.

Ledger Pro (WinForms)✕
Account: 4010 - SalesBalance: $184,220.18
Payroll (WPF)✕
Run #112 · 44 employeesNet: $96,410.55
→
accounting.app/dashboard
LedgerPayrollReportsTaxes
One system. Everything.
$184K
Sales$96K
Payroll
✓ Payroll run #112 posted2m ago
Excellent idea. Two aging desktop apps become one website - one login, live dashboards, every team on the same page.

Why go mobile? Your team works where the work is - not where the desktop sits.

ops.company.com/work-orders
Work OrdersAssets · Crews · Reports
3 urgent8 open12 done today
WO-1042 · HVAC Unit 4 · Bldg CUrgent
WO-1043 · Forklift B2 · WarehouseAssigned
WO-1044 · Dock door 7 · ShippingQueued
+ New work order
→
9:41▂▄▆
My Orders3
WO-1042 · HVAC Unit 4
Urgent · Bldg C
StartMap
WO-1043 · Forklift B2
In progress · Warehouse
✓ Complete + photo
🗂
Jobs🗺
Map👤
Profile
Beyond excellent. The same internal platform ships as a mobile app - technicians close work orders from the floor, with photos, not paperwork.
68%faster order processing after a 30-year-old ERP went web $2.1Msaved every year by one manufacturing client 0 hoursof downtime during migration - the business never stopped 18case studies with real numbers - see for yourself

Old application → modern web platform

How we migrate without downtime →
WINDOWS DESKTOP → WEB
WinForms, WPF, VB6, Access & FoxPro apps

The application your business runs on - rebuilt as a modern web platform your team can use from any device, anywhere, with nothing to install.

SAME WORKFLOW, BETTER EVERYTHING
Your data and process, preserved exactly

We migrate your data and keep the workflows your team knows - then add what desktop never could: real-time collaboration, role-based security, and audit trails.

NO BIG-BANG CUTOVER
Phased migration, zero downtime

Old and new run side by side while we move one workflow at a time - your business never stops, and you see working software from the first month.

Modern software. Practical AI.
Measurable results.

All services →

NgoSource Inc builds and modernizes business software - enterprise apps, AI automation, cloud, and security - for companies across Texas and beyond.

01Legacy ConversionWindows and desktop applications converted into modern web platforms. 02AI & Machine LearningDocument processing, predictive analytics, and automation with real ROI. 03Cloud & DevOpsAzure and AWS migration, CI/CD pipelines, and cost optimization. 04CybersecuritySecure development, Zero Trust architecture, and identity management. 05Web ApplicationsModern web apps with Angular, React, ASP.NET Core, and Blazor. 06Mobile DevelopmentiOS, Android, and cross-platform apps with enterprise-grade security. 07Database & DataSQL Server, PostgreSQL, and Oracle optimization, migration, and HA. 08Business IntelligenceERP, CRM, reporting dashboards, and process automation.
FEATURED CASE STUDY

Legacy ERP modernization for a Gulf Coast manufacturer

A 30-year-old system replaced with a cloud-native platform - cutting order processing time by 68% and unlocking AI-driven demand forecasting.

Read case studies Discuss your initiative →

Industries we serve

All industries →
Healthcare Aviation Financial Services Manufacturing Energy Logistics Government Insurance Construction Legal + 8 more

How we work

01
Discover
A free consultation to understand your goals and systems.
02
Design
A clear plan with honest estimates - no surprises.
03
Build
Working software delivered in short, visible iterations.
04
Support
Long-term maintenance, monitoring, and improvement.

Latest insights

All articles →
MODERNIZATIONTurn your old applications into modern web platformsWhat converting WinForms, VB6, and Access apps to the web really takes - and what waiting costs. CUSTOM SOFTWAREHow much does enterprise custom software really cost?What drives cost at the $1M+ scale, and how to budget with confidence. ARTIFICIAL INTELLIGENCEIs AI worth it for your enterprise? A decision frameworkWhere AI delivers measurable ROI - and where it quietly burns budget. MODERNIZATIONModernizing legacy systems without stopping the businessA phased migration approach that keeps operations running day one to done.

What is the old system costing you while you wait?

Most of our clients waited years longer than they should have. One 15-minute call gets you straight answers about scope, architecture, and cost from a senior engineer - free, and with zero obligation.

Schedule a free consultation Call (713) 231-4019