Cyber copyright service.

Provides technology services to detect and prevent cases of Internet plagiarism.

Business which investigates texts for plagiarism and copying by third parties. Studies academic, industrial and literary texts of all types.

Free site to analyze uploaded works for plagiarism. Gives detailed report.

Provides a service to determine the originality of texts based on comparisons with their internal database and net-wide searches. Five free trials.

A fully automated paid service designed to help a school deal with plagiarism. It requires no software installation; all that is needed is a web browser and an e-mail address.