MinGW

https://sourceforge.net/projects/mingw/?source=top3_dlp_t5

PyQT5

https://riverbankcomputing.com/software/pyqt/download5

PyQT4

https://www.riverbankcomputing.com/software/pyqt/download

qt

http://36.110.79.137/AESd/Nu624VeIMKxH7LxH3K5_/official_releases/online_installers/qt-unified-windows-x86-online.exe

http://download.qt.io/official_releases/online_installers/qt-unified-windows-x86-online.exe.mirrorlist

http://download.qt.io/development_releases/qt/5.3/5.3.0-rc/

QFTP

https://qt.gitorious.org/qt/qtftp