TAILORED EXPERTISE. OPEN INNOVATION.

# The custom build
*that goes ==unnoticed==.*

Custom-built business applications, designed to last. **Technology serving your business**, never the reverse.

![Blackcube development team](https://blackcube.io/cache/contents/5/home-39a13b.jpg)

[Let's talk about your project](https://blackcube.io/en/contact)
[See our solutions](https://blackcube.io/en/solutions)

## An application that fits into your business

Applications that fit into your processes stay invisible, to keep change management as light as possible. Your users adopt them without friction, and everything plugs naturally into your existing systems. Technology stays in service of the business, never the reverse.

We don't just write code. We design platforms built to last, from the first sketch through the structural changes that will follow, as your needs and your users' needs sharpen.

Your application is drawn from your context, not pulled off a catalogue shelf. You stay in control because nothing was thrown together in haste, and your infrastructure absorbs growth without an imposed rewrite.

![Code in service of business](https://blackcube.io/cache/contents/5/blocs/97/home-craft-915d72.jpg)

## Learn more about our solutions

[Our solutions](https://blackcube.io/en/solutions)

## Our technical experiments

At Blackcube, we push the edges to validate new concepts and anticipate what's coming. Our prototypes let us test innovative architectures in real conditions, so tomorrow we can offer you solutions that have already proved themselves.

![Infinity Board](https://blackcube.io/cache/contents/5/blocs/100/puzzle-piece-39c15c.svg)

Infinity Board

A massively multiplayer board game prototype: our laboratory for exploring real-time systems and large-scale connections. Robust server architectures and persistent game mechanics.

[Infinity Board](https://infinityboard.blackcube.io/)

![Financial simulators](https://blackcube.io/cache/contents/5/blocs/101/presentation-chart-line-414cdb.svg)

Financial simulators

A modelling lab for complex data visualisation and advanced financial calculations. Algorithms and visualisations tested against demanding wealth-management scenarios.

[Financial simulators](https://finance.blackcube.io/)

![Betting optimisation](https://blackcube.io/cache/contents/5/blocs/102/arrow-trending-up-2d5aee.svg)

Betting optimisation

An optimisation lab for games of chance. Mathematical algorithms and implementations put to the test.

[Betting optimisation](https://betoptimizer.blackcube.io/)

## Our open-source toolbox

We design and share technical tools hardened in production. **Open-source for the foundations, custom-built for the business value**: the combination that saves you time without locking you in.

## Explore the toolbox

MIT/BSD modules you can integrate freely, including inside a proprietary project.

[See our tools](https://blackcube.io/en/open-source)

## Why our solutions work

Because they're open-source? Not only.

![Modularity and flexibility](https://blackcube.io/cache/contents/5/blocs/106/rectangle-group-da372b.svg)

Modularity and flexibility

Fine-grained customisation and precise fit to each project's context. You plug in third-party tools and adapt features to your campaigns, no rewrite required.

![Performance you can feel](https://blackcube.io/cache/contents/5/blocs/107/rocket-launch-94932c.svg)

Performance you can feel

An application that responds instantly is a user who doesn't leave the tab. Conversions go up, bounce rate goes the other way.

![Structural changes, faster](https://blackcube.io/cache/contents/5/blocs/108/arrow-trending-up-4c1f31.svg)

Structural changes, faster

A modular approach means major changes ship quickly. New market requirements or scaling up: your application keeps up, without rebuilding everything.