
Description: 4k YouTube to MP3 is a free web-based tool that allows you to convert and download YouTube videos as MP3 audio files. It supports extracting audio from YouTube videos up to 4K resolution.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: AudioThief is a freeware audio recording software for Windows that allows users to record audio from any source on their computer, including streaming audio, Skype calls, in-game sound, and more. It has a simple interface and is easy to use.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API