Gretta Grupp OÜ is a Internet/IT services company primarily developing customized web solutions, using opensource tools.

Our staff consists of computer science graduates from the University of Tartu

Recently we have mostly focused on providing programming services for the eZ Publish content management system. We have eZ certified developers and over 5 years of experience of using the system.

Gretta Grupp is offering remote, specification based eZ Publish development and also project-based development on clients location. Our newest service is affordable 24/7 support by certified Linux / eZ publish professional.

Kinds of projects we have worked on:

• Programming custom extensions to eZ Publish (template operators, toolbars, shipping handlers, translation extensions, subsites, integration with external business systems, image databases)
• eZ kernel modifications for special needs (credit card payments, encryption)
• Content migration from other CMS'es, XML exports and static web.
• Multilingual sites.

Additionally we have experience working with low-level GSM mobile technologies - gateways to GSM service providers, message routing and processing.

We like to develop under the "open source" BSD license, giving you access to all source code and all possibilities to change and extend the code we have produced.