Sublime Text + GoSublime was my first try but then I kept getting //GsDoc: no docs found. At that time, my solution was using Sublime Text + GoSublime + Godef. I still could not find a good debugging tool though.

Godef: https://github.com/buaazp/Godef

Others also have this issue with GoSublime http://stackoverflow.com/questions/21832288/gosublime-go-to-...