Far less mysteriously than it disappeared, Kiwiwriters is back up and running, albeit with old data.
If you've joined the site since September, please create a new log-in account. I just realized that this is perfect if you were unhappy with your original username. Now's the chance to fix it!
And, if you haven't thought about any writing for the new year, may I suggest the 20k Novella challenge we are offering for January?