X.Org Server

Free and open-source display server for X Window System X.Org ServerDeveloperX.Org FoundationRelease6 April 2004; 22 years ago (2004-04-06)Stable release21.1.24 / 8 July 2026; 2 months ago (8 July 2026) Written inCOperating systemCross-platformSize3.7 MiBAvailable inEnglishTypeDisplay serverLicenseMIT LicenseWebsitex.orgRepositorygitlab.freedesktop.org/xorg/xserver X.Org Server is the free and open-source implementation of the X Window System (X11) display server stewarded by the X.Org Foundation. Implementations of the client-side X Window System protocol exist in the form of X11 libraries, which serve as helpful APIs for communicating with the X server. Two such major X libraries exist for X11. The first of these libraries was Xlib, the original C language X11 API, but another C language X library, XCB, was created later in 2001. Other smaller X libraries exist, both as interfaces for Xlib and XCB in other languages, and as smaller standalone X libraries.[citation needed] The services with which the X.Org Foundation supports X Server include the packaging of the releases; certification (for a fee); evaluation of improvements to the code; developing the web site, and handling the