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Reviews for Tampermonkey

Tampermonkey by Jan Biniok

4.7 Stars out of 5
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Review by Firefox user 13360870
by Firefox user 13360870, 6 years ago
Please be aware that this add-on is not open source.
As an alternative I found Violent Monkey which is open source and seems to work just as fine. Also, every userscript you install may be spyware. Be careful!