another great SEO tool i find in my way to search engine optimization is the 4-engine content rewrite tool from e-articles.info it seems to be a great tool for rewriting articles
this tool have  4 rewrite engines, and each rewrite engine ahve it’s own method and it rewrites in a diffrent way, so you can get the best rewriting results if you use all of them together.

if you look forward to rewrite documents so they pass Copyscape, or just need a way to rewrite or rephrase your articles, These tools gives you the ability  to rewrite and move around sentences, while continuing to produce the same thing that you started with, just in other words…

check it out: http://e-articles.info/content-rewrite/