A.M.I.C.U.S. (Automatic Multimedia Installation Configuration Utility System) helps users quickly and easily install and configure MythTV on generic PC hardware. It uses the Debian Netinst CD to install GNU/Linux and just the required packages to allow a functional MythTV on low end hardware.
ASDF (A Simple DVD Frontend for MPlayer) is intended to make watching DVDs with MPlayer easier. It's written in Perl using the Qt toolkit. It provides an easy way to select the track you want to watch, as well as audio and subtitle languages and deinterlacing. It also provides a way to hide the short "empty" tracks that litter many DVDs.
Apple QuickTime allows users to create, play, and stream audio and video content over the Internet. Features include playback of MPEG-4 video, AAC audio, and Instant-On media, easy-to-use controls, bass and treble controls, balance control, streaming media support, the ability to save movie favorites, as well as the ability to view VR and interactive content. The Pro version also includes an AAC encoder.
Avifile is a library that allows you to read and write compressed AVI files in most common video & audio formats (Indeo® Video, DivX, etc.) under x86 Linux. Compression and decompression are performed with Win32 DLLs. It includes a simple AVI player and a Video4Linux capture program. Currently it is under heavy development, and while some features (such as AVI playback) already work, some (audio compression) are not yet successfully implemented.
Badut is a home theater PC media browser; an audio/video jukebox. It lets you browse your files and play them, with the focus on good LCD/VFD support, pluggable media (e.g. USB), and infrared remote control. How files are played can be configured. Badut comes with a plugin that plays cdrdao audio CD images directly (audio.toc files).