
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: x264 is an open source software library for encoding H.264/MPEG-4 AVC video streams. It is free, fast, and produces high quality H.264 video while maintaining good compression. x264 is used in many applications from web streaming to Blu-Ray encoding.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API