Aiditorial Article Rewriter is the best article rewriter tool. Aiditorial Article Rewriter provides alot of options to customize the software. 

Chimp Rewriter has a comprehensive user guide explaining all features of Chimp Rewriter in great detail using examples and screenshots to reduce the learning curve.

The manual can be downloaded from The latest manual is also added to your desktop when you install Chimp Rewriter.

ChimpRewriter - Best Article Rewriter - helps rewrite your article in secondsChimpRewriter Article Rewriter checks for duplicate after you rewrite.