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The Open Document Company

KO GmbH is an international software company with headquarters in Magdeburg, Germany. We are a group of specialists dedicated mainly to the Qt C++ toolkit, the Calligra Suite and the OpenDocument file format.

Our business is to offer custom solutions and professional services. We have deep expertise in the following areas:

Application and library development using Qt
the Calligra Application Suite
the OpenDocument Format
File format conversion, especially for office document formats.

Latest News

2011-12-20: Experimental Calligra Installer for Windows Available

KO GmbH has made the first experimental (alpha) version of its Windows installer package for the Calligra Suite available. You can find the packages on our Download page. Please be aware that this is a very early version and that some things do not work as expected. This work has been sponsored by the NLnet Foundation.

2011-11-15: KO and SKF Will Integrate Calligra into SKF Design Tool Orpheus

KO GmbH and world leading ball bearing manufacturer SKF have signed a contract to integrate Calligra Words into SKF's design tool Orpheus. Orpheus helps SKF engineers design ball and roll bearings in cooperation with customers and partners. Calligra Words will be used as an embedded report generation tool that will make it possible to automatically generate and regenerate tables, figures and images.

About SKF: SKF Group is the leading global supplier of products, solutions and services within rolling bearings, seals, mechatronics, services and lubrication systems.

2011-11-03: New WebODF White Paper Published

KO GmbH has published a white paper on the technology behind WebODF. WebODF is a collection of JavaScript routines that lets you show office documents in the Open Document Format in a web browser. It can also be used to add Open Document viewing to an application using an embeddable browser component such as WebKit.

2011-10-25: Calligra is Released as Office Application in the Nokia N9 Smartphone

Mobile giant Nokia has just released the Linux based N9 model. Among the applications that are bundled with the smartphone the user will find the office application Harmattan Office.

Harmattan Office is a document viewer based on the Calligra Office Engine which is part of the open-source Calligra Suite and developed in cooperation with KO GmbH. This application provides an advanced viewer for documents in the OpenDocument Format, binary Microsoft Office documents, and Microsoft OOXML documents, as well as PDF. Read more at the home page of the Calligra Suite.