Inqlude provides a comprehensive listing of all existing libraries for developers of applications using the Qt toolkit. Inqlude is run by the community and open for contributions.
Message Dispatcher / Queue for Qt/QML
QuickFlux is a Message Dispatcher / Message Queue solution for Qt/QML. It is also an implementation of Flux Application Architecture (from Facebook). By using this library, users may write their QML application in a Flux way. Their code could be more readable and reusable.