
Description: System Ninja is a system optimization and privacy tool for Windows. It cleans up unnecessary files, fixes registry issues, manages startup programs, and includes other utilities to speed up your PC and enhance privacy.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: SD Maid SE is a lightweight utility app for Android that helps clean up temporary files and leftover data to improve device storage and performance. It clears app caches, leftover files after uninstalling apps, cluttered folders, and more.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API