
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: Mergely is a free online diff and merge tool for comparing text documents and code. It allows users to see differences between two texts side by side with color coding and easy merging. Useful for collaborating on documents such as code, legal contracts, etc.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API