# Pre-2019
net-im/licq 			        -kde qt3
dev-qt/qt3support			kde
dev-qt/qtwebkit				kde
dev-qt/qtwebkit:4			-exceptions
dev-db/unixODBC				-qt3
app-text/djvu				qt
media-video/mkvtoolnix			qt4 wxwidgets
media-video/avidemux			qt4 
app-text/fbreader			gtk -qt4
media-libs/libmediaart			gtk -qt4 -qt5
media-video/vlc				-qt4 qt5
net-analyzer/wireshark			-qt4 qt5
app-office/texmaker			-qt4 qt5
app-crypt/pinentry			-qt4 qt5
net-misc/owncloud-client		qt4 -qt5 
app-emulation/spice			gui
app-misc/nixnote2			-qt4 qt5 opencv3
x11-libs/qscintilla                     -qt4


# August 2019