Similar Page Checker – Duplicate contentchecker
This tool allows you to determine the percentage of similarity between two pages. … Duplicate Content Filter This article will help you understand why you …

Duplicate Content Tool
Help you avoid Duplicate Content filter to be applied from search engines to your website.

Virante Duplicate Content
Duplicate content issues determination, analysis and corrections for Duplicate Content Penalties.

Scans all your site links and returns a table of all available URLs – all you have to do is to sort the list by title and find pages with identical titles.

Copyscape Plagiarism Checker- Duplicate Content Detection Software
Free plagiarism checker. The software lets you detect duplicate content and check if your articles are original.