
Description: CCleaner is a popular free system cleaning and optimization tool for Windows. It removes unnecessary files to free up hard disk space, cleans the registry to improve system performance, and has other useful utilities like securely deleting files.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

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: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API