SEMRush - All-in-one Marketing Toolkit for digital marketing professionals.
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.
Screaming Frog SEO Spider - The Screaming Frog SEO Spider is a small desktop program (PC or Mac) which crawls websites’ links...
PlagiarismSearch - PlagiarismSearch is online service that detects plagiarized content.
Pulno - SEO Audit and Website Analysis. Pull up your SEO.
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.