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Legacy application modernization
That desktop app your team has used since 2010? We rebuild it for the browser and for phones. All the business rules you depend on stay exactly as they are.
Software modernization company
Still running your business on software from 2008? Let's talk.
Softfix is a legacy system modernization company in India. Our office is in Gomti Nagar, Lucknow. For the first week or two we mostly just read code. VB6, COBOL, .NET 2.0, whatever you've got. We don't change a single line until we know what each screen and report is doing. After that we move things over a bit at a time, and nobody in your office has to stop billing or booking in the meantime.
VB6 · Classic ASP · COBOL · old .NET & Java
.NET 8 · Node.js · React · AWS · Azure
Example migration
Both systems live
Before
- VB6 desktop app
- SQL Server 2008, on-prem
- Nightly CSV exports
After
- Web + mobile app
- Managed cloud database
- REST APIs, real-time sync
Modules moved
7 of 12
Your staff move to the new screens one module at a time. Till a module is tested and signed off, the old screen is still there if they need it.
Phased
No risky big-bang rewrites
Side by side
Old and new run together until you're ready
Zero-downtime
Cutovers planned from the first week
100%
Code, data and IP stay yours
Signs your software needs modernization
How many of these sound familiar?
In most companies old software does not stop working one fine day. What happens is it gets a little slower every year, the risks go up and so does the maintenance bill. If three or more points below apply to you, we should probably talk.
Ask anyone how the billing module works and they say "Sharma ji knows." Sharma ji retires next year.
Your version stopped getting security patches back in 2019 or so, and nobody is quite sure what that means for you.
Want Razorpay on it? A CRM? A small app for the field team? Each one turns into a six-week headache.
Accounts starts the month-end report at 10 am and goes for chai. Twice.
A lot of important work has slowly moved out of the system and into Excel sheets.
Your server, licence and AMC charges increase every year but the software itself has not improved.
You put up a job post for a VB6 developer. Three weeks later, two CVs. One of them is retired.
It only opens on the office desktops, so your sales guy sitting at a client's place can't even check if the stock is there.
Risks of not modernizing legacy software
What waiting another year really costs
Waiting feels safe, we get it. But every year you wait the job gets bigger, and usually it ends up being done in a panic after something has already broken.
Security holes nobody can patch
Unsupported frameworks and old Windows servers are among the first things attackers look for when they scan for weak systems.
Failed audits
DPDP and GDPR both want encryption and proper access logs. A lot of older systems just weren't built to keep those.
When your one expert leaves
Most of what your company knows about the system sits in one person's head. If they leave, it walks out with them.
Big orders slipping away
Large buyers ask about APIs, single sign-on and uptime before they sign. "We'll check and revert" doesn't close those deals.
Growing technical debt
Every quick patch on old code makes the next change slower, and a little scarier to push live.
Rising running costs
Old hardware, extended support contracts and specialist contractors all get more expensive with each passing year.
Software modernization services
Application modernization services for all kinds of legacy systems
Some of our projects involve a single desktop application. Others involve an ERP, a few databases and a set of old scripts that nobody wants to delete in case something breaks. Our IT modernization services cover this full range, from smaller code clean-up jobs to a complete legacy system migration.
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Cloud migration services
We handle on-premise to cloud migration on AWS, Azure or Google Cloud. Not every part of a system needs to go to the cloud, and we will tell you which parts are better left where they are.
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Monolith to microservices migration
We take services out of the large application one at a time. Usually we start with billing or reporting, since these tend to cause the most problems.
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Legacy database modernization
If your data sits in Access, FoxPro or SQL Server 2008, we shift it to PostgreSQL or a managed cloud database. Before we call it done, we match row counts between the old and new database, table by table.
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Legacy ERP modernization
Got an ERP that's been customised so much nobody dares touch it? We move it onto something easier to maintain, and your reports and approval flows come along as they are.
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COBOL/legacy code modernization
COBOL, VB6, Classic ASP, Delphi, PowerBuilder, we work with all of these. Step one is always going through the old code and writing down what it really does. You'd be surprised what turns up. The rebuild only starts after that.
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Software re-platforming services
New runtime, new hosting, and as little code change as we can get away with. Usually the quickest and safest way off an old platform.
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Software re-engineering services
Sometimes the logic is fine and it's the code underneath that's a mess. We sort out the structure so the next change doesn't take a month.
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Code refactoring services
Tests go in first, then the clean-up. Nothing changes for your users. Your developers just stop being scared of opening the code.
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Tech stack upgrade services
We upgrade .NET Framework to .NET 8, AngularJS to React, PHP 5 to PHP 8 and Java 8 to Java 21, including the upgrade that has been on your to-do list for years.
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API-first legacy modernization
We start by putting proper APIs in front of the old system. New apps can hook into those right away, and meanwhile we replace the core quietly behind them.
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UI/UX modernization for legacy systems
Crowded forms, a dozen tabs on one screen, buttons nobody has clicked in years. We redesign around how your people actually work now, and new joiners pick it up much faster.
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Software containerization services
We package applications in Docker so they run the same way on a developer's laptop, a test server and production.
Need guidance?
Not sure which one you need?
Most of our projects use two or three of these services together. The assessment helps us work out the right combination for you.
Start with an assessment
Software modernization vs rebuild from scratch
Should you modernize the system or build a new one?
Building something completely new can look attractive. But an old system usually contains years of business rules, and many of them are not documented anywhere else. Before recommending either option, we go through the questions below with our clients.
| Question | Modernize | Rebuild from scratch |
|---|---|---|
| Is the business logic still right? | Yes, mostly. It's the tech that's tired. | No, the way you work has changed a lot. |
| Can the business pause? | No. Old and new have to run side by side. | A longer parallel period is acceptable. |
| Risk | Lower. Each phase is small and reversible. | Higher. Value arrives near the end. |
| When do you see results? | Within weeks, module by module | Often after many months |
| Cost profile | Spread out, paid per phase | Large upfront investment |
| Data | Migrated gradually, with backward compatibility | One big data migration at cutover |
In the projects we have seen, a full rebuild turns out to be the right choice less often than clients expect. If it is the better option for you, we will say so.
How to modernize legacy software
A software modernization strategy for enterprises that doesn't stop the business.
We do not switch off the old system on a Friday and hope the new one works on Monday. Each step below is kept small so that it can be rolled back if there is a problem.
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Step 1
System audit
We review the code, database, integrations and security of your current system. You receive a written report, whether or not you continue with us afterwards.
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Step 2
Roadmap
Then we go part by part: rehost this, re-platform that, refactor here, application rearchitecting there. What goes first depends on what's riskiest and what pays back soonest.
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Step 3
Pilot module
We start with one real module running on live data. If there are gaps in the plan, this stage usually shows them.
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Step 4
Phased migration
Data migration and zero-downtime migration happen one module at a time. Old and new run in sync till your users tell us they're happy.
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Step 5
DevOps enablement
Automated builds, tests and monitoring get set up. Otherwise five years from now you'd be calling us about this system too.
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After
Retire & support
Once everything has moved, the old system is switched off and archived safely, and we continue to provide support.
What actually gets better
What improves after modernization
A better-looking interface is useful, but the bigger benefit is in daily operations, with fewer emergency calls and fewer situations where the system holds the business back.
Talk to an engineerTechnical debt reduction
Dead code goes, duplicate logic gets merged, tests get added. A two-day change takes two days again.
Security vulnerability remediation
Old libraries swapped out, known holes patched, and proper role-based access so not everyone can see everything.
Performance optimization
We rewrite slow database queries and add caching, so screens that used to take many seconds to load open much faster.
Scalability improvement
If you are opening a new branch or adding users, the system can grow without you buying more servers.
Cloud-native transformation
We use autoscaling, managed backups and pay-as-you-go hosting where it makes financial sense for you.
Backward compatibility
Your existing reports, file formats and connections with partners continue to work during and after the migration.
Third-party integration support
We connect the new system with payment gateways, Tally, the GST portal, CRMs and courier services, so adding new tools later is simpler.
Application rearchitecting
Where it is needed, we give the system a cleaner structure so different teams can work on it without getting in each other's way.
Legacy software migration to cloud
There are three ways to move to the cloud, depending on your budget and timeline.
Fastest
Lift and shift
The application is moved to cloud servers without major changes. This is the quickest way to get off old hardware, but the application itself stays mostly the same.
Most common
Re-platform
We make some changes so the application can use managed databases, containers and autoscaling. For most companies this gives the best balance of cost and benefit.
Biggest payoff
Go cloud-native
The application is redesigned into services built for the cloud. It takes more effort at the start, but running costs are lower and scaling is easier later.
Cost of software modernization
You do not have to spend the full budget at the start.
Since the work is done in phases, the payments are also spread across phases. Most clients start with an assessment and then approve one phase at a time. The total cost depends on the size of the codebase, the number of integrations and the condition of the existing data.
Legacy code assessment
Start small, get the plan
This includes a complete system audit, a written report and a phased plan. The report belongs to you, even if another company does the work.
- Complete system audit
- Written report, yours to keep
- Phased plan you can approve later
- No obligation to continue
Fixed fee, agreed upfront
Book an assessment
Phased modernization
One module at a time
Each phase has its own scope, price and completion date, and you can pause or change direction between phases.
- Scope, price and date per phase
- Pause or pivot between phases
- Old system keeps running
- Zero-downtime cutovers
Quoted per phase
Plan my first phase
Dedicated modernization team
Long-term programme
This is for large programmes that run for a year or longer, with engineers, QA and a project manager working only on your systems.
- Engineers, QA and a PM
- Working only on your systems
- Monthly rolling billing
- Scale up or down quarterly
Monthly, based on team size
Discuss a team
FAQ
Questions IT heads usually ask us
Will our business have to stop during the migration?
No. Your people keep working the whole time. We shift one module over, and the old system keeps running right next to it. Switch-overs happen on a Sunday or late in the evening, whenever your office is quiet, and if anything looks off we can switch straight back.
What is the cost of software modernization?
It comes down to three things: how big the code is, how many other systems it talks to, and how messy the data is. Moving an app to a new platform costs a fraction of rebuilding a whole ERP. Once the assessment is done you get a separate price for each phase, so you're never committing the full amount on day one.
How long does legacy system modernization take?
The assessment itself is two to four weeks. Most clients have their first pilot module live a couple of months after that. A really big system can take a year or longer end to end, but you're already using the new parts well before the last one is done.
What is legacy system modernization?
It means taking software your business has relied on for years and moving it onto modern technology without losing the way it works. Sometimes that's a quick move to the cloud, sometimes it's cleaning up the same code, and sometimes parts get rebuilt from scratch. The goal is a system that's safer, faster and easier to change, while your team carries on with their work.
Why work with a legacy system modernization company in India?
You get experienced engineers at rates that make a careful, step-by-step migration affordable, and our working hours overlap with the UK, Europe and the US morning. Our office is in Lucknow.
What are the 7 Rs of application modernization?
They're seven ways of dealing with an old application: retire it, retain it as it is, rehost it (lift and shift), relocate it, repurchase a ready-made product instead, replatform it with small changes, or refactor it properly. Most companies end up using three or four of these across their systems. Working out which one suits which app is a big part of our assessment.
Start with an audit
Tell us about your current system.
Share the programming language, the database and roughly how old the system is. It is fine if you are not sure about some details. One of our engineers will reply within one working day.
sales@softfix.in
Phone
+91 81890 10044
Address
1st Floor, CP/140, Viraj Khand-4, Gomti Nagar, Lucknow, Uttar Pradesh 226010