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Custom software & SaaS: Software that fits how you work. Not the other way round.

Custom software for the way you actually work, where no off-the-shelf product fits. Plus four SaaS products of our own - all of it proven in our own company.

  • Proven in our own company
  • Hosted in Germany/EU
  • Runs in the browser - nothing to install
flowsnx.com · DashboardBeta
FlowSNX dashboard with fictional Northstar Field Services routes
FeeFox · PayoutsEarly Access
FeeFox: current light dashboard with payouts, balance checks and export status – fictional sample data
cargosnx.com · PlannerBeta
CargoSNX load planner: 29 packages in a 40-foot high cube in 3D, with weight, volume and utilisation
StoreSNX · ProductsIn development
StoreSNX: full product overview with navigation, product images, sales channels and stock – example data
FlowSNX driver link on a phone: the day's route with start address, first stop, navigation and call buttons and signature
View live

Custom software

Plotter-SNX.Four tasks. One app.

Troubleshoot machines, manage stock, find documentation. For Plotter-FIX, we brought the office and field engineers’ daily tasks together in one application.

In use at Plotter-FIXIn the browser and as an Android app

AI assistant for troubleshooting

A chatbot with the knowledge in your manuals.

Enter an error code or photograph the display. The chatbot uses the company’s own service manuals and identifies the source of its answer.

  • Over 900 service manuals The company’s own manual library as its knowledge base.
  • Capture errors with a photo Photograph the display instead of typing the error code.
  • Check the sources Manual references and additional online research are shown separately.

From the working application

Error 122 CHECK:SDRAM · Phone answer, German interface
Error 122 CHECK:SDRAM · Phone answer, German interfaceEnlarge view
Troubleshooting · Desktop, German interface
Troubleshooting · Desktop, German interfaceEnlarge view

Machine stock across two sites

The whole machine inventory in view.

Every machine with its part number, year, mileage, condition and location. Office staff and field engineers see the same stock.

  • Find what you need Filter by brand, model, part number or budget.
  • See the status In stock, reserved, sold or archived.
  • Add machines on the road Photograph the type plate, check the details and add the machine.

From the working application

Machine stock · Filters and inventory, German interface
Machine stock · Filters and inventory, German interfaceEnlarge view
New machine · Phone entry, German interface
New machine · Phone entry, German interfaceEnlarge view

Manuals, firmware and software

The right file. At the customer’s site, too.

More than 1,200 files in one place. Engineers who need a manual or firmware version on the road can find it themselves in the shared library.

  • Match the machine Filter by manufacturer, model and category.
  • One shared library Over 900 manuals, around 350 firmware versions, test files and software.
  • For field work Download files directly at the customer’s site.

From the working application

File library · Manufacturers, models and categories, German interface
File library · Manufacturers, models and categories, German interfaceEnlarge view

Spare parts for engineers and sales

From a search term to the right spare part.

The part name, compatible machines and price in one search. Sales staff can give the customer an answer during the call.

  • Search by number or description Use a part number or item description.
  • Check compatibility Matching machines are listed with the part.
  • See the price directly Price information is included in the search result.

From the working application

Spare parts · Results for “cjv150 damper”, German interface
Spare parts · Results for “cjv150 damper”, German interfaceEnlarge view

Plotter-SNX

Open image file

Our own products

Four SaaS products born from a real need.

All four are still in development and being tested in practice. Their product pages show what is available and how to request access. We show them in that state, because that is exactly what shows how we work.

SaaS · Job & route planning

FlowSNX

Beta

FlowSNX · Dashboard
FlowSNX dashboard with fictional Northstar Field Services routes
Planner
Route planner with a list of stops and the calculated route on the map
Dispatch board
FlowSNX weekly dispatcher with fictional jobs, routes and employees
FlowSNX · Delivery note
In the video: at the stop, the recipient confirms the handover or reports a problem and signs with a finger - in the driver's browser, no app needed. The result is a PDF on your own letterhead that files itself in the route archive. The video is in German. More on the digital delivery note

Anyone coordinating engineers, fitters or drivers usually plans in three tools at once: a calendar, WhatsApp and a printout for the glovebox. FlowSNX pulls that into one system - jobs, routes, stops and the message to the customer.

  • Plan routes by drag and drop, optimise the order automatically if you want
  • LiveLink: the customer sees their time slot and can write back
  • Digital delivery notes and service reports, signature included

Built for teams in service, trades and logistics - from one vehicle to around thirty.

The product site is currently in German.

SaaS · Accounting & marketplaces

FeeFox

Early access

FeeFox · Payouts
FeeFox: current light dashboard with payouts, balance checks and export status – fictional sample data

Amazon, eBay and PayPal pay in lump sums. A single transfer contains revenue, fees, advertising costs and refunds - and what is left in the books is a difference nobody can explain. FeeFox keeps breaking each payout down until the balance reaches zero.

  • Connects via OAuth - read access only, revocable at any time
  • Lump-sum payouts become bookable line items
  • Export to lexoffice, further accounting tools planned

It came out of our own trading: Plotter-FIX sells across several marketplaces - the problem landed on our own desk every month.

The plan is a flat price rather than a credit counter. Anyone in early access hears it first. The product site is currently in German.

SaaS · Container & load planning

CargoSNX

Free beta

CargoSNX · Planner
CargoSNX planner: sample shipment of 29 packages in a 40-foot high cube in 3D, with the cargo space dimensions alongside and the numbered loading plan below
Top view
Top view and side view of the container, to scale: every package with its mark and loading step
Weight
Weight distribution along the container with the centre of gravity and the weight of the front and rear halves

Whether everything fits into the container usually only shows at the loading dock - when the last crate will not go in. CargoSNX works it out beforehand: add the packing list, pick the cargo space, and the plan builds up piece by piece in 3D.

  • Reads packing lists from Excel, CSV or up to 10 PDFs - scans included
  • Accounts for the door opening, payload, tilting and rotation rules and no-stack items
  • Numbered loading plan and an English packing list as a PDF

Built for anyone who packs containers, trucks or pallets - from a single export to a groupage shipment.

The load calculation runs locally in your browser. No account needed during the beta. The product site is available in English.

SaaS · Multichannel commerce

StoreSNX

In development

StoreSNX · Products
StoreSNX product management with channel status for PrestaShop, eBay, Amazon and Etsy – example data

Current StoreSNX interface with example data, shown in German. Enlarge screenshot

A new product should not mean entering everything four times. StoreSNX brings products, variants and stock together for PrestaShop, eBay, Amazon and Etsy. Import existing products or create them directly, then prepare them for each channel.

  • Manage product data, images, variants and GPSR information centrally; check missing channel fields before publishing
  • Edit many products together, with a preview; save recurring tasks as rules
  • Generate channel texts with AI, review drafts and approve them before use
  • Synchronise stock with channel buffers and quantity limits; track background jobs in the sync monitor

Built for retailers selling through their own shop and marketplaces. Sales statistics, team access and two-factor authentication are also implemented.

Being tested in our own online shop. Availability depends on the channel and enabled account connection.

Currently in progress

From a pile of receipts to an overview.

Till receipts are no longer sorted, they are scanned - the software does the rest. We are deliberately showing this project mid-build, with an honest status on each stage.

  1. 01

    Scan

    A Ricoh ScanSnap pulls the whole stack through in one pass.

    In use
  2. 02

    Read

    Date, merchant, amount and payment method are read off the scan - double-checked when in doubt.

    In use
  3. 03

    Name & file

    A meaningful filename, filed under its payment method - or under “unclear”.

    In use
  4. 04

    Into the cash book

    Cash into the cash book, card into the account's expense list - no typing.

    Being built
  5. 05

    Overview

    Cash on hand, spending per month, receipts per payment method - as statistics.

    Being built
BelegSNX overview screen: cash on hand, receipts waiting, spending for the year and check findings as key figures, below them the cash balance across the year, income and spending per month, and receipts per payment method.
The running interface, captured on 26 July 2026. It shows a demo data set for a fictitious company in sandbox mode - real accounting figures do not belong on a website. The interface itself is in German.

Status: 26 July 2026. The stages are labelled the way the project actually stands - not the way it would read better. Reading has been measured against 280 real receipts; the stage being worked on right now is booking into the cash book.

How we work

Understand first, then build.

Custom software rarely fails on the technology. It fails because nobody ever wrote down how the work really happens.

  1. 01

    Watch it happen

    We look at the process as it really is. Usually the problem sits in one small step everybody considers normal.

  2. 02

    Smallest useful slice

    We build the piece that saves the biggest step first - not the whole system.

  3. 03

    Into daily use

    The team works with it, we watch and adjust. The first weeks decide everything.

  4. 04

    Keep building

    Software is never finished. We stay on it - same number, same person.

What it costs is agreed up front

  1. First conversation is free. We look at how the work actually runs and say openly whether something custom pays off at all.
  2. Fixed price per stage, in writing. Not billed by the hour: the number comes before the stage, and you decide on the next one afterwards.
  3. Operation and hosting monthly. Agreed separately and cancellable - not chained to the project as a bundle.

Who picks up

One fixed point of contact who knows the system. No ticket queue, no rotating responsibility, no handing over to someone seeing the project for the first time.

The same number for the question before the quote and for the question two years into daily use.

Honestly

When off-the-shelf is the better choice.

If the way you work matches what a finished product was built for, taking that product is almost always the smarter move: cheaper, available immediately, maintained by somebody else. We say so even when it argues against us - a project that does not pay for itself helps nobody.

When your own pays off

When people are filling the gap between two systems.

When somebody retypes data from one program into the next. When a simple question costs a phone call. When you pay for three tools to get one job done - and none of them really fits. That is when something of your own pays off, often sooner than expected.

Technology & operation

Built, run, kept growing.

Not a patchwork of several suppliers: development, hosting and operation come from one place - with one person who knows the system.

Runs in the browser

Nothing to install, nothing to update. Desktop, tablet and phone show the same system.

Hosting & operation

Servers, security updates and backups run at our end. You only notice that it works.

Permissions & privacy

Roles and access cleanly separated, GDPR-compliant, data processing agreed in writing.

Interfaces

Connections to your shop, ERP and accounting - so data stops travelling by hand.

Bring your data along

Existing lists, spreadsheets and product data are carried over - not thrown away and retyped.

Further development

Changes without a ticket odyssey: a short line, fixed contacts, a plannable schedule.

Common questions

What companies ask us first.

Honest answers - including where they argue against the job.

What does custom software cost?

It depends on the scope - but not on guesswork. We cut a project into stages and quote a fixed price per stage before we start. The first stage is always the smallest one that already saves something day to day. After that you decide whether we keep building. Operation, hosting and further development run monthly and are agreed separately.

How long until we can actually use something?

We count the first usable version in weeks, not months - because it is deliberately cut small. A system that nobody opens for six months almost always misses how the work really happens. How long the full build takes depends on the scope and is agreed up front.

We already run software - do we have to replace it?

In most cases, no. The most common job is not replacement but connection: the ERP, the shop and the accounting system all exist, they just do not talk to each other - and somebody types across the gap by hand. That is exactly where we start, using the interfaces that are already there.

Where is our data stored?

On servers in Germany or the EU, with encrypted transfer, cleanly separated roles and permissions, and regular backups. Where exactly a project runs is put in writing before the start - including the data processing agreement required under GDPR.

Can we try your SaaS products yet?

FlowSNX is in beta and access can be requested at flowsnx.com. FeeFox is opening early access in waves; sign-up runs through feefox.de. CargoSNX runs as a free beta straight in the browser, no account needed: cargosnx.com. StoreSNX is being tested in our own online shop; early access can be requested at storesnx.com. All four products are still in development. The FlowSNX, FeeFox and StoreSNX sites are currently in German; CargoSNX is also available in English.

Do you build AI features as well?

Yes - where they save a concrete step. Troubleshooting in Plotter-SNX is one of those cases: type in the error code instead of leafing through the manual, and the answer names the place it came from in your own manual rather than inventing an explanation. Where a good search or a clean table does the same job, we do not add AI just to put the word on the invoice.

Do you work outside your region?

Yes. With software, distance hardly matters: coordination runs over video calls and the system runs in the browser. The regional focus only means that between Bonn, Cologne and the Eifel we also come by in person.

Who owns the software in the end?

For custom software we put the usage rights in writing before the project starts, not afterwards. Our own SaaS products are provided as a service: we handle operation, updates and further development.

Something else on your mind? Just ask - free and without obligation

Free first conversation

Tell us where things get stuck.

Describe the step that eats time every single day. We will tell you straight whether a finished product covers it - or whether something of your own is worth it.