
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: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: P4Merge is a visual diff and merge tool from Perforce Software. It allows developers to visually compare file changes, merge code branches, and resolve merge conflicts. P4Merge integrates with version control systems like Perforce, Git, SVN, etc.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API