Plagiarism is considered theft and fraud of using others words or ideas purposefully or unknowingly as your own or not giving them the credit for their work. It can accidental, flagrant or self. Normally plagiarism is seen as only copy and pastes method but even rewording, reusing, patchwriting, paraphrasing, etc is also a type of plagiarism. There are thousands of writing or reports or research papers or articles or videos on a single topic but if you want to make your own, one need to add your creative ideas, originality, interpretation, examples, etc which makes it stand as a new and good source. Some of the software that helps to get updates on other similar contents or plagiarism are as follows:
a) iThenticate - The software was launched in 2004 by iParadigms, LLC who's headquartered in Oakland, California. It helps in detection that include document vs document analysis, easy to use submission process, manuscript tracking systems (MTSs) and content management systems (CMSs) that are mostly used by researchers, professional writers and institutions.
b) Turnitin - It was Founded in 1997 in Oakland, California. It checks unoriginal content by comparing with the submitted papers in their databases and other available databases. These are mostly used by universities, high schools and their students to checks their documents or reports that can fetch the source and eliminate duplicating or similarities in their report.
c) Urkund - It is a fully automatic text recognition program that helps to detect and prevent plagiarism no matter in which language you are writing. It supports most of the file formate and provides the degree of the matches with the original or other documents.
d) Copyleaks - It is powered by artificial intelligence
and Machine Learning technology that can detect and compare text online which has similar, identical or patchwriting across online sources and various databases even from another language Upload in different file formats.
e) Whitesmoke - It was incorporated in 2002 as an all-in-one English writing tool and also the top plagiarism checking software that scans online pages and resources. This is similar to Grammarly and integrates with Outlook, MS Word and the browser.
Some more online plagiarism software is Duplichecker, PlagiarismCheck.org, Quetext, SmallSEOTools, Viper, Plagium, Plagtracker, Plagiarisma, Unicheck, ProWritingAid, etc.