
Description: AppleJack is an open-source system utility for Mac that aims to detect and repair directory issues and other problems. It can diagnose issues with things like permissions, caches, extensions, preferences files, and other components.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Dr. Cleaner is a system optimization and cleaning utility for Windows. It helps clean up disk space, registry errors, and privacy traces to speed up and stabilize your PC.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API