Some additional repos to consider:
go-qt5-code — Porting source code of the book C++ GUI Programming With Qt 4 from Qt4 to Qt5 with Golang binding
cadmium — Multiprotocol and cross-platform IM client written in Go and Qt5
nzbPlanetUi — UI for nzbPlanet and integration with SABnzb using Golang for api backend and Qt5 for the ui
cyborgjson — Generates C++ object models serializable to JSON with Jansson or Qt5(requires Qt 5.1) from simple model specs.
Once a week...... I send out a list of most interesting Go libraries and apps.
Want to get it?