Letter: X
- x264 - H264/AVC video streams encoder
- x264-devel - Development files for the x264 library
- x264-gui - GUI for x264 encoder
- x264-libs - Library for encoding H264/AVC video streams
- xbill - Stop Bill from loading his OS into all the computers
- xchat-amule - Plugin to display aMule's statistics in XChat
- xdtv - Video4Linux Stream Capture Viewer & Recorder
- xdtv-OSD-font - Font used by xdtv OSD function
- xdtv-devel - Developpement files for xdtv
- xine-lib-extras-freeworld - Extra codecs for the Xine multimedia library
- xmms-mplayer - MPlayer plugin for XMMS
- xmms2-avcodec - XMMS2 Plugin for avcodec supported formats
- xmms2-faad - XMMS2 Plugin for AAC and MP4 audio formats
- xmms2-freeworld - Plugins for XMMS2 that cannot be included in Fedora
- xmms2-mad - XMMS2 Plugin for MPEG Audio files
- xmms2-mms - XMMS2 Plugin for MMS audio streams
- xmms2-mp4 - XMMS2 Plugin for MP4 audio
- xorg-x11-drv-VirtualBox-OSE - X.org X11 VirtualBox-OSE video and mouse driver
- xvidcore - MPEG-4 Simple and Advanced Simple Profile codec
- xvidcore-devel - Development files for the Xvid video codec