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About Trolltech

Trolltech is an international software company with headquarters in Oslo, Norway, and with offices in Brisbane, Australia and Redwood City, California.

Our flagship product is Qt, the cross-platform C++ GUI toolkit. Qt enables you to develop professional, efficient, portable, and maintainable GUI applications quickly and easily.

Qtopia Core, the embedded Linux version of Qt, is designed to power today's new generation of single-application embedded devices. Qtopia Core sits at the heart of Trolltech's product portfolio, optimizing Qt for embedded development and forming the core of Qtopia, Trolltech's product family for mobile and embedded devices.

See the Product Overview for a complete list of products.

Software that Makes Sense

We design our products to give our customers the feeling of "this is the way that things were always meant to be". We know that it is crucial for our customers to have good tools for making good software. Therefore, we do not compromise our demands for superior design and technical quality when we develop our products.

Trolltech is also known for providing top-quality technical support to our customers. At Trolltech, support inquiries are handled by the most qualified developers and designers themselves.


Trolltech was founded in 1994. The core team of designers at Trolltech started developing Qt in 1992, and the first commercial version of Qt was released in 1995. Since then, Trolltech has experienced rapid growth, and Qt is currently used in thousands of successful commercial software development projects world wide. At Trolltech, we continuously work to improve and expand Qt to ensure that it always represents the state of the art in usability, look and feel, performance, and stability.

For more information, please visit the Trolltech website.

Contact Information


[email protected] [email protected]

General inquiries and questions. Please check the FAQs to see if your question is already answered there.
Inquires related to purchasing, pricing and availability of Trolltech products
[email protected] Task Tracker

Comments about our web pages
Use this page to submit bug reports; please read How to Report a Bug page first.

Note that Trolltech uses the RBL and RSS databases to cut down on spam. If your mail server is listed, you will regrettably not be able to send us mail. The MAPS TSI pages provide information about how to secure your server.

Norway Office

Telephone Street/Mail Address

General inquiries: +47 21 60 48 00
Sandakerveien 116
PO Box 4332 Nydalen
NO-0402 Oslo

All inquiries: +47 21 60 48 01

USA Office

Telephone Street/Mail Address

General inquiries: 1-650-551-1676
555 Twin Dolphin Drive
Suite 280
Redwood City, CA 94065

All inquiries: 1-650-551-1851

Copyright © 2007 Trolltech Trademarks
Qt 4.2.3