
Description: Rsnapshot is an open-source utility for Linux that provides incremental backup functionality using rsync. It makes it easy to maintain a local backup of a remote system by only transferring the changes since the last backup.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Snapper is an open-source visual regression testing tool for websites and mobile apps. It allows you to take screenshots of your UI and compare them against previous versions to detect visual regressions.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API