Similar to XCB
Xfce
Xfce
Xfig
Xfig
XFree86
XFree86
Xlib
Xlib
Xming
XmingXMule
XMuleXnest
Xpdf
XpdfXPM
X PixMapXQuartz
XQuartzXRandR
RandRXsun
Xsun
Xterm
Xterm
Xウィンドウマネージャ
X window manager
X端末
X terminalXディスプレイマネージャ
X display managerZenity
Zenity
Open Software Foundation
Open Software FoundationCommon Open Software Environment
Common Open Software Environment
キース・パッカード
Keith PackardBeryl
Compiz Fusion
D-Bus
D-BusEnlightenment
Enlightenment (window manager)
Fontconfig
FontconfigGalago
Gallium3D
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GeoClue