just discovered yesterday a new GUI for Go : govcl
didn’t got much time, but already tried a few samples and it really seems better than several existing attempts.
not much documentation yet (the author says he speaks poor English), but already found it really interesting, so just want to let you know…
"A cross-platform Golang GUI library. Use Delphi VCL and Lazarus LCL for binding. "
screenshot sample on Windows