   qt ( "cute", or unofficially as q-t cue-tee) is a cross-platform application framework that is widely used for developing application software that can be run on various software and hardware platforms with little or no change in the codebase, while having the power and speed of native applications. qt is currently being developed both by the qt company, a subsidiary of digia, and the qt project under open-source governance, involving individual developers and firms working to advance qt. digia owns the qt trademark and copyright. qt is available with both commercial and open
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