We write beautiful code

So you can make beautiful things

Bring your ideas to life and connect with the world

HTML 5 Diagramming Toolkit

JointJS is a modern HTML 5 JavaScript library for visualization and interaction with diagrams and graphs. It can be used to create anything from static diagrams to fully interactive diagramming tools and application builders.

Rappid is the commercial extension to the JointJS Core library. It builds on the foundation provided by JointJS and widely extends its functionality by more than 40 components, implementing various UI widgets, interaction components, additional shapes including charts and other functionality necessary to build truly advanced HTML 5 applications.
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Your favorite apps together

AppMixer enables visually automated business logic, workflows and API integration, without the need for programming.

Drag & drop web apps and APIs to create your own custom flows, and monitor your data in real time. Build connectors that push, pull, and convert data to and from external APIs.

Under the hood, AppMixer contains a proprietary technology for API orchestration with RESTful interface and HTML 5 front-end included.
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Harnessing technology to build outstanding products

We are experts on HTML 5, JavaScript, CSS 3, SVG, NodeJS, NoSQL and Linux.

HTML 5 Development
We've been building exceptional web user interfaces since 2007. We have the skill set to turn your product into something your users will love to use across all their devices.
NodeJS development
We cover the whole stack from front-end development through backend-side NodeJS development with NoSQL databases up to Linux server configuration and maintanance.
Consulting & Training
We're happy to share our knowledge and expertise to help your personnel or team build better products faster. Need training in HTML 5 or NodeJS? We can help!
Custom Solutions
We provide custom code and applications for clients who need a solution quickly, or for a specific feature or plugin to be implemented. Get in touch and tell us what you need.

Our partners range from small teams to Fortune 500 companies

We're a team of professionals who are passionate about what we do.

David Durman


Roman Bruckner


Marcel Liker


Kerry Adams

Marketing & Sales Director

Charles Hill

Full Stack Developer

Vladimír Krejčí

Full Stack Developer

Martin Krčmář

Lead Developer

Petr Skála

QA Engineer

Vladimír Talaš

Front-End Developer

Radim Vajchr

Front-End Developer

Tomáš Waldauf

Back-End Developer

Ujjwal Reddy

Front-End Engineer

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Radim Vajchr

Front-End Developer

Tomáš Waldauf

Back-End Developer

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Feel free to get in touch, we'd love to hear from you!

Havanská 155/16
170 00 Prague 7, Czech Republic