Trolltech Renamed to Qt Software

Trolltech ASA, which was acquired by Nokia in June 2008, has been renamed to Qt Software. Qt Software, which will operate as a group within Nokia, will still be responsible for developing Qt, the dual-licensed, cross-platform application development framework.

Along with the name change, comes the re-branding of Qt to Qt Extended and the release of version 4.4. Excerpts fro the news release announcing Qt Extended 4.4:

Qt enables developers to build innovative services and applications once and then extend the innovation across all major desktop, mobile and other embedded platforms without rewriting the code. Qt Extended extends the Qt application development framework, bringing increased functionality to embedded Linux. Qt Extended inherits the Qt WebKit Integration, which helps device manufacturers enrich applications with live web content such as online maps, music stores and instant messaging.

“Qt Extended is designed to accelerate software development for a wide range of consumer devices, such as video IP phones, media players and other advanced devices,” said Sebastian Nyström, Vice President of Qt Software, Nokia. “With the new release of Qt Extended, we are making it easier to differentiate the user experience and the feature set.”
Core features of the Qt Extended 4.4 release are:

  • Modular architecture for feature selection
  • Advanced touch based user interface
  • IP communications framework based on Telepathy – Instant Messaging (XMPP) and presence
  • Unified inbox for email, SMS, MMS, IM, etc. plus push IMAP email and other messaging enhancements
  • New Qt UI Test, a tool for automated system tests of the target device

Qt Extended 4.4 includes a new Video IP Desk phone reference design which demonstrates an Internet-connected video desk phone UI for finger touch interaction for 3.5” screens. The objective of the reference design is to illustrate the versatility of Qt Extended.


Qt Extended 4.4 will still be available for developer use under the same dual-licensing model as its Qt: Commercial developer must obtain a commercial license, while open source developers may download and use it under the GNU GPL (General Public License; Versions 2 and 3).

Qt Extended (Qt) is the development framework used in the K Desktop Environment (KDE). Some Qt development tools – Qt Designer, Qt Assistant, and Qt Linguist – are installed by default in Sabayon and Linpus. Download links for the commercial and GPL versions are available here.

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