http://doc.qt.io/qt-5/gettingstarted.html
http://doc.qt.io/qt-5/classes.html
http://doc.qt.io/qt-5/supported-platforms.html
http://store.qt.io/Global/About%20Us/Qt_master_logo_CMYK_300dpi.png
https://www.youtube.com/watch?v=NbTEVbQLC8s

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                   QT
Open source, Cross-platform, C++ framework
---

qdesigner

- lineedit
- label
- pushbutton

lineedit:textchanged -> label:settext
pushbutton:clicked -> lineedit:clear

(wait... didn't you say it was c++??)

do the same thing in code.

signal/slot

layouts

more than UI
 - basic containers
 - threads
 - xml
 - network
 - file
 - databases
 - opengl
 ... and much more

qmake

exceptionally well written documentation imho

"properties"

Conistent API: you can guess how to do stuff, and guess correctly.

open source / cross-platform (they claim 15 different platforms)