Top 2 qt5-widgets open source projects

QFlightInstruments is a Qt library containing flight instruments widgets including: Airspeed Indicator, Altimeter, Vertical Speed Indicator, Turn Coordinator, Attitude Indicator, Heading Indicator, Electronic Attitude Direction Indicator (EADI) and Electronic Horizontal Situation Indicator (EHSI).

a collection of different Qt4 & Qt5 widgets, I developed over the years