
Description: MacKeeper is a utility software for macOS that claims to provide various optimization, security, and cleaning features. It has received some criticism over its aggressive advertising and subscription-based pricing model.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Doublekiller is an open-source program that helps identify and remove duplicate files on your computer to free up disk space. It scans your drives to find identical files based on MD5 hash comparisons.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API