Scrivener - Scrivener is a content-generation tool for composing and structuring documents.
Masterwriter - MasterWriter offers a suite of writing tools.
MakeStoryBoard - MakeStoryboard is simple online storyboarding software that helps thousands of users fast and easy visualize their stories.
AZRhymes - Free online rhyming dictionary for writing lyrics.
Final Draft - Use your creative energy to focus on the content; let Final Draft take care of the style.
Lazyjot - Modern web-app editor for writing lyrics