31 Ways to find Inspiration for Your Writing
This is pretty self explanatory. Check it out.
7 Can't Miss Ways to Kick-Start the Writing Habit
Okay, so this on isn't really a site; it's a blog post but it's highly informational.
Share outlines for your pieces with writing partners and editors with this totally free collaboration tool.
A fun and clever way for developing your characters.
Got any other favorites? Feel free to share in the comment section.