
Description: GNU Diff Utilities is a free and open-source software used for file comparison and finding differences between two files line-by-line. It can compare both text and binary files and output the differences in multiple formats.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Diff Doc is a document comparison tool that allows you to compare two versions of a document to see the changes. It highlights inserts, deletes, and changes between docs in an easy-to-understand format.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API