Moodle can use a variety of plagiarism-detection services to report on content (such as assignments) uploaded into Moodle.
Join the discussions about plagiarism-detection plugins in the General add-ons forum.
Turnitin is a commercial plagiarism detection system which requires a paid subscription to use - This Plugin integrates with the existing Moodle Assignment module.
CopyCheck is a commercial plagiarism detection service which is fully integrated in the Moodle core and in Moodle assignments. You must have a paid license to be able to use this plugin. Any language can be processed e.g. Japanese, chinese or computer programs.
Ephorus is a commercial plagiarism prevention product which is fully integrated in the Moodle core and in Moodle assignments. You must have a paid license to be able to use this plugin.
This FREE plugin is aimed at digital plagiarism detection: it uncovers assignments copied from peers at the same institution. The module is language independent. Maintainer: Sergey Butakov More information: crotsoftware.com
Crotpro is a connector to FREE plagiarism detection service. -At the moment search is being performed on English Wikipedia only. As studies show about 10% of plagiarisd papers coming from Wikipedia. Crot Software is planning to extend the search scope in the nearest future. -There is a limitation of 10 free checkups per month. Refer to the README file for more details on the service. Please note that service is on the BETA testing stage.