What FREE alternative ways to Copyscape Premium are there to check for plagiarism?

Many writers use Copyscape Premium to check their content against plagiarism. It is able to catch duplicate content very effectively. You cannot expect the same effectiveness from Copyscape's free version. There are a lot of other online plagiarism checkers available. I have listed many of them here: https://forums.digitalpoint.com/thr…st-of-free-alternatives-to-copyscape.2700629/. Most require you to pay for usage and their free versions have a lot of…
What FREE alternative ways to Copyscape Premium are there to check for plagiarism?

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