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March 3, 2009 7:55 PM PST

Nokia updates Qt open-source developer platform

by Dave Rosenberg
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Qt developers

Qt developers

(Credit: Nokia Qt)

Nokia has released the first major update to the Qt "cross-platform application framework" since it acquired Trolltech a year ago. Qt 4.5 is now available under the open-source LGPL (Lesser General Public License) and GPL licenses, along with two commercial licenses for older versions.

ReadWriteWeb highlights what a "cross-platform application framework" means:

Before we get into the details, let's examine the term cross-platform application framework. What does that really mean? It means that software developers can write an app that will run anywhere Qt (pronounced cute) is supported.

In practice, then, the app will run not only in Windows, but also Mac OS X (now with Cocoa support!), Linux, embedded systems, heck even Windows CE.

What's new in this release?

  • New software development kit: Developer tools, code libraries, and documentation. Always nice to have updated tools and libraries.
  • Qt Creator Cross-Platform Integrated Development Environment: I'm not sure if this is all that meaningful, as developers tend to stick with their weapon of choice--I presume that they already have Eclipse plug-ins.
  • LGPL 2.1 License: I'm not a huge fan of the LGPL, but, it's a license that encourages ubiquity. (Think JBoss)

Admittedly, it's pretty hard to make developer tools interesting, but cross-platform development remains a real problem. This upgrade appears to be meaningful for the Qt user community.

You can follow me on Twitter @daveofdoom

Dave Rosenberg dishes up "Software, Interrupted" with nearly 15 years of technology and marketing experience that spans from Bell Labs to multiple start-up IPOs to open-source enterprise software companies. He is co-founder of MuleSource and currently serves as the general manager of Hardy Way. He is a member of the CNET Blog Network and is not an employee of CNET. Disclosure. You can contact Dave via e-mail at softwareinterrupted@gmail.com or follow him on Twitter @daveofdoom.
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About Software, Interrupted

In "Software, Interrupted," Dave Rosenberg discusses disruption in the software market, as well as the products and services that keep business technology norms in perpetual flux.

With nearly 15 years of technology and marketing experience spanning from Bell Labs to multiple start-up IPOs, Dave co-founded open-source software company MuleSource and now serves as general manager of Hardy Way. He also happens to be a U.S. patent holder and a workaholic. Technology is his best friend and mortal enemy.

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