EssayRater: Checks Essays for Plagiarism & Helps to Improve

EssayRater is a free web app that reviews, grades and checks essays for plagiarism, and helps you to improve them. This tool goes beyond the usual online proof-reading tools by checking your paper for the quality of word choice, sentence structure, content originality and more.

http://www.makeuseof.com/dir/essayrater-check-essay-for-plagiarism/

EssayRater: http://www.essayrater.com/