In this blog post Adam Warner an experienced freelance writer, specializing in technology and education discusses 5 free online plagiarism checkers that work in 2021. 

Open Academics resources and tools for academic writing.

By Katherine Lee

Published by: International Centre for Policy Advocacy (ICPA)

By Bart Penders 

By Frederique Laubepin

By the BMJ

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By Raimo Streefkerk on Scribbr

by Anne Trubek, for Chronicle Vitae.