
Description: Curlew is an open-source audio converter for Linux. It supports converting between many audio formats like MP3, FLAC, WAV, OGG, etc. Curlew has an intuitive GUI and options for batch conversion, metadata editing, and FFmpeg integration.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Format Factory is a free multimedia file converter for Windows. It supports converting between audio, video, and image formats like MP3, MP4, JPG in batches. It's lightweight, easy to use, and fast.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API