Turnitin - Turnitin is preferred by educational institutions around the world for preventing plagiarism. Instructors at all levels of education can request that students use the service to submit papers, and Turnitin checks those papers for plagiarism.
EasyTestMaker - Assessment
PlagiarismSearch - PlagiarismSearch is online service that detects plagiarized content.
Visual CertExam Suite - Visual CertExam Suite is a web-based test preparation software solution presented by Avanset that offers you various customizable formats to make the papers, tests, quizzes, and exams quickly.
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.
ExamOnline.in - Examonline is a complete online exam management software system