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Simple Desktop Display Manager

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Title: Simple Desktop Display Manager  
Author: World Heritage Encyclopedia
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Subject: KDE Software Compilation, Hawaii (desktop environment), QML, LightDM, X Image Extension
Collection: Kde Software Compilation, Software That Uses Qml, Software That Uses Qt, X Display Managers
Publisher: World Heritage Encyclopedia

Simple Desktop Display Manager

Simple Desktop Display Manager
Original author(s) Abdurrahman Avci
Developer(s) Abdurrahman Avci, KDE, LXDE/LXQt team, Maui project[1]
Initial release 19 March 2013 (2013-03-19)[2]
Stable release 0.12.0 / 5 September 2015 (2015-09-05)[3]
Development status Active
Written in C++11
Type Session manager
License GPL-2.0+
Website /sddm.comgithub

Simple Desktop Display Manager (SDDM) is a display manager (a graphical login program) for the windowing systems X11 and Wayland.[4] SDDM was written from scratch in C++11 and supports theming via QML.[5]

SDDM is free and open-source software subject to the requirements of the GNU General Public License version two or later.


In 2013, Fedora KDE members decided to default to SDDM in Fedora 21.[6]

Simple Desktop Display Manager was adopted as default graphical login program by Hawaii.[7]

KDE chose SDDM to be the successor of the KDE Display Manager for KDE Plasma 5.[7][8]

The LXQt developers recommend SDDM as display manager.[9]

See also

  • getty – a non-graphical login program
  • GDM – the default graphical login program of GNOME
  • LightDM – the default graphical login program of Ubuntu


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