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.
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.
iThenticate - Prevent Plagiarism in Published Works
Copyleaks - Identify potential plagiarism, uncover AI-generated content, and empower error-free writing with AI
Urkund - Detect and check for plagiarism with URKUND
Scribbr - Scribbr is an online proofreading and editing service used for the academic activities of the students.