Custom-built
Software tailored to your business.
Klyve designs desktop and web tools on demand. No generic solution — software built around your processes, your team, your constraints.
2
apps shipped to production
100%
custom-built
4
SaaS products in progress
Software shipped, used every day.
Software shipped, used every day.
Not mockups. Real business tools, in production.
SME · Luxembourg · 3 weeks
Excel → PDF purchase order automation
for a distribution group. 50+ documents/month.
C#WinFormsExcel InteropiTextSharp
Craftsman · France · 4 weeks
Job site management suite: integrated quotes,
pro-rata calculations, site tracking, monthly PDF exports.
C#SQLiteWin32 APIExcel Interop
Do you recognize yourself?
These situations cost you time.
If one of these problems sounds familiar, we can probably help.
⏱
You fill the same files by hand
Each purchase order, quote, report — copied, reformatted, sent manually.
🔀
Your data is spread across 5 tools
A file here, a sheet there, emails to find everything. You lose track of what’s going on.
💸
Off-the-shelf software doesn’t fit
Too complex, too expensive, or not adapted. You tried — and went back to files.
What we can build
Your problem probably has a software solution.
From Windows apps to web tools, we adapt to your environment and technical constraints.
Windows app (WinForms / WPF)
Custom desktop tool, Excel integration, PDF, local database.
Web app (Next.js / React)
Modern, responsive web interface with authentication and a database.
Excel / PDF automation
Fill templates, generate documents automatically, export files.
Dashboards & reporting
Data visualization, filters, exports — connected to your existing stack.
SaaS & online tools
Web product with Stripe subscriptions, user accounts, multi-tenant.
Integration & migration
Connect your existing tools, migrate data, build custom APIs.
How it works
A simple process, no surprises.
From the first call to delivery, we work with full transparency.
1
Audit & understanding your needs
We discuss your business, constraints, and current workflow. No forms — a real conversation.
2
Specification & fixed quote
We provide a clear spec and a fixed quote. No surprises at the end of the project.
3
Iterative development
You follow progress in real time. We ship intermediate versions to validate together.
4
Delivery & training
The software is delivered, documented, and we train you to use it if needed.
5
Support & improvements
We stay available after delivery. Fixes, improvements, and new features on request.
How much does it cost?
Honest ranges to help you size your project.
Essential
€500 – €2,000
Landing page, simple tool.
Ideal for: Showcasing your business online
Standard
Most requested€2,000 – €6,000
Business app, process automation, dashboards.
Ideal for: Replacing manual Excel workflows
Advanced
€6,000 – €12,000
Complex software, multi-user, integrations.
Ideal for: Multi-entity operations, full internal tool
+ Maintenance & improvements: €99 – €299/month depending on the project.
Every project starts with a free audit and a fixed quote.
Why Klyve
What makes us different.
⚡
100% tailored to your business
No compromise on features. The software does exactly what you need — nothing more.
🔒
You own the code
The source code belongs to you. No vendor lock-in, no forced subscription.
🔗
Integrated with your tools
Excel, ERP, existing databases — we adapt to your environment, not the other way around.
🤝
Single point of contact
One developer who knows your project end-to-end. No tickets, no hotline.
Have a project in mind?
Tell us about your needs in a few lines. We’ll get back to you within 24 hours with a free first estimate.