Qt5

The Qt library collection, version 5. This is a collection of several cross-platform libraries, primarily oriented around a GUI toolkit. Used for cross-platform OpenGL rendering.

System Package
BSD Ports devel/qt5
Debian/Ubuntu qt5-default libqt5opengl5-dev libqt5svg5-dev
Homebrew qt5*
RedHat/CentOS qt5-qtbase-devel qt5-qtsvg-devel†
*
Add /usr/local/opt/qt5/bin to PATH
From EPEL

MacOS X homebrew

If qt5 is installed, for building the OME QtWidgets component, ensure that /usr/local/opt/qt5/bin is on the PATH to allow Qt to be autodetected by cmake.