
Description: FreeFileSync is a free open source file synchronization software for Windows, Linux and macOS. It helps compare and synchronize files and folders by content to prevent data loss. It supports mirroring, two-way sync, backup and more with filtering options.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Kopia is an open-source backup software that focuses on security and privacy. It stores encrypted backups in many locations including cloud storage providers, remote servers, or local disks.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API