Ahrefs Backlink Checker - With the world's biggest index of live backlinks (over 15 trillion), Ahrefs Backlink Checker will show you the most complete backlink profile for any website.
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.
Backlink Tool - A backlink tool to index your links quickly and freely.
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.
SmallSEOTools Keyword Rank Checker - Use our free keyword rank checker tool to track keywords position for website. Enter Keywords and Url and see keyword position checker report instantly.
ProWritingAid - For the smarter writer. A grammar checker, style editor, and writing mentor in one package.