Modern technology and the development of Internet have given us access to tons of information any time we desire it and from any place on the planet. Original ideas tend to become rarer and rarer. Everybody seems to be reproducing other people's ideas and presenting them as their own. Although this practice is not anything new, a lot of people might argue that nowadays it has reached its peak. In this article, I'll highlight the top 10 free plagiarism detection tools that will allow eLearning professionals to tackle the plagiarism nightmare.