
Description: Subler is a free, open-source macOS application for editing metadata, subtitle tracks, and chapter markers in MP4 and M4V video files. It provides an easy-to-use interface for manipulating subtitle tracks, adding or editing metadata like titles and descriptions, and more.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: MediaCoder is a free and open-source transcoding software for Windows, macOS and Linux. It can convert between a wide range of media file formats and supports GPU acceleration for faster encoding and decoding.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API