Similar to Template:XWinSys
X Toolkit Intrinsics
X Toolkit IntrinsicsX Window Display Manager
XDM (display manager)X.Org Foundation
X.Org FoundationX.Org Server
X.Org ServerX/Qt Server
X11の色名称
X11 color namesXBill
XBillXBM
X BitMapXCB
XCBXDarwin
XDarwinXeyes
XeyesXfce
XfceXfig
XfigXFree86
XFree86Xgl
XglXinerama
XineramaXlib
XlibXming
XmingXMule
XMuleXnest
Xpdf
XpdfXPM
X PixMapXQuartz
XQuartzXRandR
RandRXRender
X Rendering ExtensionXsun
XsunXterm
XtermXウィンドウマネージャ
X window manager