1.Turnitin: This is one of the most famous duplicate checking tools for papers and is widely used in academic circles. It can detect the similarity of texts and provide a detailed report, pointing out the possible sources of plagiarism.
2.grammarly: Although grammatically is mainly used for grammar and spelling checking, it also provides the function of double checking. It can detect repetition in text and provide suggestions for improving writing.
3.Copyscape: This is a duplicate checking tool specially used to detect the content of web pages. It can help scholars to know whether their articles have been copied or reprinted by other websites.
4.PlagScan: This is another commonly used duplicate checking tool for papers, which can detect text similarity and provide detailed reports. It also provides a series of analytical tools to help scholars understand their writing style and potential plagiarism.
5.Viper: This is a free online duplicate checking tool, which can detect text similarity and provide detailed reports. It supports a variety of file formats, including Word, PDF and HTML.
6.Quetext: This is a cloud-based duplicate checking tool, which can detect text similarity and provide detailed reports. It supports a variety of file formats, including Word, PDF and HTML.
7.DupliChecker: This is a free online duplicate checking tool, which can detect text similarity and provide detailed reports. It supports a variety of file formats, including Word, PDF and HTML.
8.PaperRater: This is a free online duplicate checking tool, which can detect text similarity and provide detailed reports. It supports a variety of file formats, including Word, PDF and HTML.
These tools have their own characteristics and advantages, and scholars can choose the appropriate tools to check the duplicate of papers according to their own needs.