
Description: YT1s.com is a free online video downloader and converter that allows users to download videos from YouTube and convert them to MP3 audio files. It provides a simple interface to paste YouTube links and download HD, MP4, and MP3 files without any software installation.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: 4K Video Downloader is a free program that allows you to download videos from YouTube, Facebook, Vimeo, and other sites in high quality formats up to 4K resolution. It is easy to use with a simple interface and options to download whole playlists and channels.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API