Our Story
WHMCS-addons.eu did not begin with a plan to create a catalogue of software products.
Its roots go back much further.
Founder Hein Kuenen has been working with the internet, websites and online technology since 1998, long before cloud platforms, apps and software-as-a-service became part of everyday business language.
Over those years, technology changed enormously. One thing did not: businesses need tools that help them get work done without making things unnecessarily complicated.
In 2011, we started working with WHMCS.
WHMCS quickly became an important part of our day-to-day operations. It could already do a great deal, but, as anyone who has worked with business software for long enough will recognise, no standard platform perfectly matches every organisation and every way of working.
There were processes we wanted to improve. Tasks that took more time than they should. Information that could be presented more clearly. Things that should be automated. And occasionally, functionality that simply was not there.
So we started building those solutions ourselves.
WHMCS-addons.eu since 2012
By 2012, that work had grown enough for WHMCS-addons.eu to take shape, and the domain was registered that year.
At that stage, the goal was still not to build a large public software shop.
WHMCS-addons.eu was primarily a home for the tools and solutions we were developing around WHMCS for our own use and for businesses we worked with.
That distinction is important.
The addons did not begin as product ideas looking for customers. They began as answers to real operational problems.
It started with solving our own problems
The first solutions were not products.
They were tools built because we needed them.
As we gained more experience with WHMCS, those tools became more capable. Some remained small and very focused. Others developed into broader solutions because the original problem turned out to have more parts to it than first expected.
But there has always been an important rule behind that growth:
the core purpose of the addon comes first.
We do not believe in adding features simply because they are possible, or because a longer feature list looks more impressive.
An addon may grow, but every extra function should directly support, extend or improve the job that addon was originally created to do. If a feature does not belong there, it should not be there.
That helps us avoid one of the problems we dislike most in business software: bloat.
A focused tool can become more capable without becoming complicated, slow or difficult to understand.
That is what we aim for.
Built through real use
We also began creating WHMCS-based solutions for other businesses.
That introduced an important difference. A tool that works for the person who wrote it is one thing. A tool that needs to work reliably for somebody else’s business has to be clearer, safer and much harder to use incorrectly.
Those real-world requirements shaped the way we develop software today.
The solutions were used, adjusted, tested and improved over time. Feedback came from people actually working with them, rather than from imagined use cases on a development checklist.
Sometimes an improvement meant adding something.
Just as often, it meant simplifying something, removing unnecessary steps or making the existing functionality work better.
Reliability matters more to us than clever code.
Our addons are built to be used in real businesses, where an elegant technical idea is worth very little if it causes problems six months later. We favour solutions that are secure, maintainable and predictable, and we put considerable effort into making updates safe as the software develops.
From private solutions to a wider audience
For many years, most of these solutions remained private. They were developed for our own operations or for businesses we worked with directly.
There was no particular need to turn them into widely available commercial products.
But gradually, we found ourselves looking at tools that solved problems other WHMCS users were likely experiencing as well.
Why keep a useful solution limited to a handful of businesses if it could help many more?
With the blessing of the businesses for whom some of these solutions were originally developed, we decided to prepare selected addons for wider release through WHMCS-addons.eu.
So although WHMCS-addons.eu itself dates back to 2012, this broader public direction is the next stage of a much longer story.
The products available here therefore have a slightly unusual starting point.
In many cases, they were used before they were sold.
They exist because somebody had a problem that needed solving, not because we first decided that we needed another product to put in a shop.
Four principles behind everything we build
Although every addon serves a different purpose, our development priorities remain the same.
Speed
An addon should help WHMCS work more efficiently, not turn every admin page into a waiting game.
We pay close attention to database queries, external requests, caching and background processing. Features that do not need to run on every page should not run on every page.
Security
WHMCS often contains some of the most important information in a business.
Customers, services, invoices and operational data all deserve to be treated accordingly. Security is therefore part of the design process from the start, rather than something to worry about shortly before release.
Functionality without bloat
The basic purpose of an addon is paramount.
We like useful features, but every feature has to earn its place.
Additional functionality may be added when it directly supports the addon’s main job, makes that job easier, improves reliability or solves a closely related problem.
What we do not want is feature creep for its own sake.
Too much business software has become larger, more complicated and more expensive simply because more and more functionality keeps being bolted onto it.
That is not the direction we want to take.
We would rather have a focused addon that does its job extremely well than one that tries to do everything and ends up becoming slow, confusing or unnecessarily expensive.
Ease of use
Powerful software does not have to be difficult software.
An administrator should be able to understand what an option does, what will happen when a button is pressed and, when something goes wrong, what needs attention.
We spend a perhaps unreasonable amount of time moving fields a few pixels, rewriting labels, improving logs and asking whether a screen could be clearer.
We think that time is well spent.
Lean software should come with sensible pricing
Keeping our addons lean is not only about code.
It also affects how we think about pricing.
We do not believe every useful WHMCS addon needs to grow into a large software suite with a price tag to match.
A focused addon should remain focused. Its price should also remain in proportion to the problem it solves and the value it provides.
That does not mean cutting corners.
It means avoiding unnecessary complexity, unnecessary dependencies and unnecessary extras that increase both the size of the product and the price without improving its main purpose.
Our aim is simple:
useful software, sensible scope and sensible pricing.
A good addon should behave like a good guest
We also believe an addon should respect the WHMCS installation it lives in.
It should do its job without taking over the system, slowing down unrelated areas or forcing unnecessary changes elsewhere.
Where reasonably possible, we try to respect existing configurations, established workflows and supported WHMCS versions rather than making customers change their environment simply to suit us.
And when something already works well, we do not replace it merely for the sake of change.
The same applies when an addon is no longer needed.
We do not believe software should create unnecessary lock-in or leave a system in a mess. Customers should remain in control of their own installation, configuration and data.
Clear software, clear information
Software should not become mysterious the moment something goes wrong.
We put a lot of emphasis on clear settings, useful logs and meaningful error messages.
If an administrator needs to make a decision, the interface should explain what the option does.
If an action has consequences, those consequences should be clear before the button is pressed.
And if something fails, a useful message is far better than a vague error that leaves somebody guessing.
This might not be the most glamorous part of software development, but in day-to-day use it matters enormously.
Built by people who actually use WHMCS
We still approach development from the perspective of WHMCS users.
That matters.
It means we encounter many of the same everyday annoyances, limitations and repetitive tasks as the people using our addons.
And it means new ideas often begin with a simple question:
“Why are we still doing this manually?”
Or:
“Surely there is a better way to do this?”
Quite often, there is.
So we build it.
Then we use it, test it, find the awkward bits, improve them and keep going until it becomes something we are comfortable relying on ourselves.
Only then does it make sense to offer it to somebody else.
More than a decade of WHMCS experience, and a little longer online
Technology has changed considerably since we first started working online in 1998.
Our WHMCS journey started in 2011.
WHMCS-addons.eu followed in 2012.
And now, after years of developing and using these solutions in real businesses, we are making more of them available to a wider WHMCS community.
Our approach has evolved over that time, but the basic idea remains remarkably simple:
Build useful software that solves real problems, keep it focused, make it secure and fast, keep it easy to use, and keep the pricing sensible.
Or, put even more simply:
Software should solve a problem, not become another one.
That is how these addons started.
And it is how we intend to keep building them.
Have an addon idea?
Some of our best addons start with one clear frustration from a WHMCS user.
Maybe your team repeats the same task every week.
Maybe your order process needs one extra safety check.
Maybe your admin area hides information that should be easy to see.
Maybe your clients ask for something WHMCS does not show clearly enough.
Tell us what is missing.
If the idea is useful for more WHMCS users, we can discuss turning it into a public addon. If it is specific to your business, we can look at a custom build.
Frequently asked questions
Do you only build public addons?
No. We build both public addons and custom WHMCS solutions. Public addons are useful when the problem is common. Custom work is better when the workflow is specific to your business.
Can you improve an existing WHMCS process?
Yes. Many useful projects are not huge. A better admin screen, a safer order check, or a clearer client-area section can already save a lot of time.
Do you work with existing WHMCS installations?
Yes. Most projects are built for existing WHMCS installations. We recommend testing new addons on a development installation before using them in production.
Can resellers offer your addons to their own clients?
Yes. If you are a reseller, agency, or WHMCS service provider, contact us. We can discuss how to offer WHMCS-addons.eu products to your clients in a clear and professional way.
Can I request a new addon?
Yes. That is one of the main reasons WHMCS-addons.eu exists. Send the idea, explain the problem, and include screenshots or examples where possible.
Ready to make WHMCS work better?
Tell us what you are trying to fix, improve, or automate.
We will help you find the right addon, plan a custom solution, or turn a useful idea into something other WHMCS users can benefit from too.