CopyFish

CopyFish

CopyFish is an alternative to plagiarism detection software like Turnitin. It is an open-source web application that allows teachers and professors to check student work for copied content from the web and databases. It highlights matched text and generates originality reports.
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education writing plagiarism detection originality

CopyFish: Open-Source Plagiarism Detection

An alternative to Turnitin, CopyFish is an open-source web application for checking student work for copied content from the web and databases, highlighting matched text and generating originality reports.

What is CopyFish?

CopyFish is an open-source plagiarism detection software designed for teachers and professors to check student submissions for copied or unoriginal content. It works by comparing student papers, essays, code, and other work against various databases and search engines to identify matched text.

Some key features of CopyFish include:

  • Open-source web application that can be self-hosted
  • Matches text against public websites, academic paper databases, and its own repository
  • Highlights duplicated content in student submissions
  • Generates detailed originality and similarity reports
  • Allows configuration of matching parameters and report filters
  • Lets users review matches one-by-one to determine incidental vs deliberate plagiarism
  • Additional modules available for expanded search capabilities

As an alternative to commercial solutions like Turnitin, CopyFish provides more transparency, customization, and control for educators checking student work for originality. Its open-source nature also makes it free to use and modify. Overall, CopyFish serves as a capable plagiarism detection tool for academic integrity and teaching students proper citation/attribution.

CopyFish Features

Features

  1. Checks student work for plagiarism
  2. Compares student work against internet sources and databases
  3. Highlights matched text in student work
  4. Generates originality reports

Pricing

  • Open Source

Pros

Free and open source

Customizable and self-hosted

Works offline without an internet connection

Does not store student work in a database

Cons

Requires technical expertise to install and configure

Limited language support compared to paid solutions

No mobile app, only web interface

Smaller plagiarism detection database than commercial tools


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