
Description: Offliberty is a free web application that allows users to download videos and audio from various websites like YouTube, Facebook, SoundCloud, and more for offline use. It works by capturing media streams as they are playing.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: youtube-dl is a command-line program that allows downloading videos from YouTube and many other sites. It offers options to download entire playlists and channels and supports various formats.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API