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.

Unicheck - The plagiarism checker Unplag scans across the internet, repositories, open sources content and databases. It delivers real-time results and has no cached data.

Kibin - Professional Proofreading as a Service

PlagiarismSearch - PlagiarismSearch is online service that detects plagiarized content.

GradeProof - Proofreading with Artificial Intelligence