Mac OS X Softwares to Open Standard

Matroska, often referred to by its file extension MKV, is a flexible, open-standard, and freely available multimedia container format. It is designed to encapsulate an unlimited number of video, audio, picture, or subtitle tracks into a single file, providing a future-proof framework for multimedia delivery.

Opus is an open, royalty-free audio codec engineered for versatility and efficiency. It excels in interactive applications like voice over IP (VoIP), video conferencing, and in-game chat, while also providing performance for streaming high-fidelity music.