My best idea so far is a Go study journal site that would allow a user to set long-term goals and/or recurring tasks, easily upload and categorize sgf files, record journal entries that could be made either public or private, and visibly track their progress. I'm sure there are other great ideas or existing projects in need of another part-time developer, though. I'd love to hear what kind of ideas you might have for Go related software that's not already well-covered by another web site or application.
P.S. I'm a developer, not a designer (though I like to think I have decent aesthetic sensibilities), so if I get something off the ground I'm sure I'll need to send Hayang a message.

first choice lead to this :