Letter: X
- xchat-amule - Plugin to display aMule's statistics in XChat
- xroar - A Dragon 32, Dragon 64 and Tandy CoCo emulator
- xtables-addons - Extensions targets and matches for iptables
- xvidcore - MPEG-4 Simple and Advanced Simple Profile codec
- xvidcore-devel - Development files for the Xvid video codec