Letter: X
- xcpc - A portable Amstrad CPC464/CPC664/CPC6128 Emulator written in C
- xorg-x11-drv-catalyst - AMD's proprietary driver for ATI graphic cards
- xorg-x11-drv-nvidia - NVIDIA's proprietary display driver for NVIDIA graphic cards
- xorg-x11-drv-nvidia-173xx - NVIDIA's 173xx serie proprietary display driver for NVIDIA graphic cards
- xorg-x11-drv-nvidia-96xx - NVIDIA's 96xx series proprietary display driver for NVIDIA graphic cards
- xorg-x11-drv-psb - Intel GMA500 (Poulsbo) video driver
- xpsb-glx - X11 drivers for Poulsbo (psb) 3D acceleration