
Description: Similarity is a plagiarism checker software that allows teachers and students to check written work for copied or unoriginal content. It scans documents against its database and the internet to identify potential plagiarism issues.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: DUFF is an open source command line tool for finding duplicate files on Linux and UNIX-like systems. It scans a directory recursively and generates an HTML report showing duplicate files grouped together with paths and sizes listed.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API