Unicheck - The plagiarism checker Unplag scans across the internet, repositories, open sources content and databases. It delivers real-time results and has no cached data.
Plagiarism Checker X - We strive to provide the most effective, secure and user-friendly plagiarism checking tool that champions originality: a privacy focused, effective and user-friendly plagiarism detector that merges innovative technology with user needs.
Plagramme - Our plagiarism checker recognizes paraphrased plagiarism, checks your paper against more that 14 trillion documents and lets you to edit your paper online.
PlagiarismSearch - PlagiarismSearch is online service that detects plagiarized content.
SCRiBBR Plagiarism Check - This plagiarism check uses the best of both worlds.
Copyscape - Copyscape is a free plagiarism checker.