WebM is an emerging free to all video technology platform for high quality videos on the internet. You can playback WebM video files directly in the web browser using new technology of HTML5. There is no need to install seperate plugins to watch WebM format videos. You can use modern web browser or media player software with webm support.
Software tools to play WebM videos
1. Web Browsers – You can download and use either of web browser with WebM support like Firefox 4 Beta 1, Opera 10.60 or above Google Chrome 6 dev.
2. Media Players – You can use VLC player, Moovida Core, Winamp player versions with WebM support.
3. Youtube videos – After you have installed WebM supported web browser, you can open Youtube website to view WebM videos. Add &webm=1 to the end of the URL, for example, http://youtube.com/results?search_query=trailers&aq=f&webm=1 to checkout WebM videos online at Youtube website. [via webmproject]