
Description: vSubst is a virtual drive software that allows you to create virtual drives, partitions or CD/DVD drives. It can be used to test applications, boot different operating systems, or expand storage space.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Visual Subst is a free, open source application for Windows that allows users to easily replace one drive letter with another. It is useful for substituting drives to run programs or access data stored on external drives or disk images.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API