
Description: Synctastic is a free, open-source file synchronization application for Windows. It allows users to easily sync files and folders between multiple devices either locally or over a network. Key features include two-way sync, automatic conflict resolution, and a simple user interface.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Watch2Gether is a free online video streaming service that allows multiple people to synchronize their playback and watch videos together. It's useful for watching videos with friends or family remotely.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API