2.iThenticate: professional academic resource management software, which has the functions of document management and citation management besides duplicate checking.
3. Grammatically: In addition to grammar checking, it also provides duplicate checking function, which can detect plagiarism and content duplication.
4.PlagScan: an online duplicate checking tool, which can detect texts in various formats such as web pages, PDF and DOC.
5.PaperRater: Providing free duplicate checking service can find out plagiarism, grammatical errors and other problems.
6.CopyLeaks: an online duplicate checking tool, which can detect texts in various formats such as web pages, PDF and DOC.
7.DupliChecker: A free online duplicate checking tool that can detect plagiarism and duplicate content.
8.Quetext: A free duplicate checking tool, which can detect plagiarism and duplicate content.
9. writecheck: a duplicate checking tool developed by Turnitin, specially designed for students, can detect plagiarism and duplicate content.
10.Viper: A free duplicate checking tool, which can detect plagiarism and duplicate content.