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.
Scribbr - Scribbr is an online proofreading and editing service used for the academic activities of the students.
iThenticate - Prevent Plagiarism in Published Works
EditMyPaper.ca - Fast and accurate English editing for essays, general papers, research papers and manuscripts.
Urkund - Detect and check for plagiarism with URKUND
GradeProof - Proofreading with Artificial Intelligence