Here is an interesting link with some FREE applications and others you can purchase. They might be helpful when writting your novel. http://mashable.com/2009/09/16/write-novel/
To help with ideas http://www.mindmeister.com/
A useful organiser http://timeglider.com/
Great way to track deadlines etc... http://highrisehq.com/
Got information you want to pull altogether try this http://www.evernote.com/ - FREE
And if you just want a place to write http://www.mywritingnook.com/
All great websites to check out.