Awesome

Systray (Trayicon/Menu Extras)

Cross platform systray for golang

Instead of gui program, "go-program + systray + web-console" might be a interesting choise.

Platform

Mac: avalid
Win: avalid
Linux: coming soon

Run example

Mac:

cd example
go run icons/mac systray

How it works

Win:
[your code in go] -> [systray: win32 api call in go]

Mac:
[your code in go] -> [systray.Server in go] -(tcp)-> [systray.Client in objc]

Linux:
[your code in go] -> [systray.Server in go] -(tcp)-> [systray.Client in c]