WebM for QuickTime
You can download WebM for QuickTime 0.0 for Mac from our software library for free. The program lies within Audio & Video Tools, more precisely General.
From the developer:
WebM for Quicktime is a video component which provides WebM support on the Mac platform. WebM is an open, royalty-free, media file format designed for the Web.
WebM defines the file container structure, video, and audio formats. WebM files consist of video streams compressed with the VP8 video codec and audio streams compressed with the Vorbis audio codec. The WebM file structure is based on the Matroska container.
You may want to check out more software for Mac, such as MacX QuickTime Video Converter Free Edition, Bigasoft WebM Converter or WinX WebM Video Converter for Mac - Free Edition, which might be related to WebM for QuickTime.