Great Writing Sites

As I come across websites that are good resources for writers, I'll try and drop them in here so I can build a list for us all. Here's a couple to start with... http://www.nanowrimo.org/ of course http://www.paragraphplanet.com/ and their partner site http://www.writing-workout.com/ http://www.writingontherun.com/startgroup.html   There are also cool things to do http://chronicle.com/blogs/profhacker/using-google-docs-forms-to-run-a-peer-review-writing-workshop/33107