Scribbr - Scribbr is an online proofreading and editing service used for the academic activities of the students.
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.
EditMyPaper.ca - Fast and accurate English editing for essays, general papers, research papers and manuscripts.
iThenticate - Prevent Plagiarism in Published Works
GradeProof - Proofreading with Artificial Intelligence
Plagramme - Our plagiarism checker recognizes paraphrased plagiarism, checks your paper against more that 14 trillion documents and lets you to edit your paper online.