
Description: MKVToolnix is a free, open-source set of tools that allow you to create, edit, and inspect Matroska media container files. It includes mkvmerge for combining media files, mkvextract for extracting parts of a Matroska file, mkvinfo for viewing information about Matroska files, and other utilities.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: AfterCodecs is a plugin for video editing software like Adobe Premiere Pro and Adobe Media Encoder. It provides additional video codec support for importing and exporting media in various formats.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API