
Description: AptDiff is a free, open source software tool used to compare different package versions between Debian or Ubuntu systems. It helps administrators and developers identify changes between package versions and releases.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: KDiff3 is a free open source diff and merge tool for Windows, Mac, and Linux. It allows users to compare files and directories, shows differences in side-by-side and inline layouts, and helps merge changes between versions. KDiff3 supports Unicode, auto-detection of encodings, and editing actions during merges.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API