Hasciicam makes it possible to have live ASCII video on the Web. It captures video from a TV card and renders it into ASCII, formatting the output into an HTML page with a refresh tag or in a live ASCII window or in a simple text file as well, giving anyone that has a bttv card, a Linux box, and a cheap modem line the ability to show a live asciivideo feed that can be browsable without any need for a plugin, Java, etc.
PyMei is a Python media center application. It's designed to run as a full screen application on an HTPC, navigated by a keyboard or an LIRC input device. It plays videos or shows other types of media using external programs like mplayer. With its plugin support and themeability, it's aiming to be a very extensible and customizable media interface.
MediaFrame is a streaming media platform that provides a fast, easy to implement, and extremely small applet that allows over 97% of Web users to view your audio and video content without having to rely on external player applications or bulky plug-ins. It does not require special servers, software, or programming knowledge, is based on open standards, and is compatible with MPEG-1 and MPEG-4, the industry standard in video compression. It support content created in any number of applications, from Adobe AfterEffects to Media Cleaner.
Getcontrol is a GNOME 2 multimedia frontend. It aims to play DivX, DVD, MP3, Ogg, and Shoutcast streams,and also provide digital photo viewing, video conferencing, etc., all connected with your remote control and running on your TV out. It relies on Gstreamer for multimedia playback.