Simple Desktop Display Manager

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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; 3 years ago (2013-03-19)[2]
Stable release
0.13.0 / 4 November 2015; 14 months ago (2015-11-04)[3]
Development status Active
Written in C++11
Type Session manager
License GPLv2+

Simple Desktop Display Manager (SDDM) is a display manager (a graphical login program and session manager) for the X11 and Wayland windowing systems.[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 terms 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 a display manager.[9]

See also[edit]

  • GDM, the default graphical login program of GNOME
  • LightDM, the default graphical login program of Ubuntu


  1. ^ Pier Luigi Fiorini. "plfiorini's blog". 
  2. ^ "Release v0.1.0". GitHub. 19 January 2013. 
  3. ^ "0.13.0 Release Announcement". GitHub. 4 November 2015. 
  4. ^ "0.12.0-Release-Announcement". 
  5. ^ "SDDM: A Lightweight QML-Based Display Manager". 19 January 2013. Retrieved 5 March 2014. 
  6. ^ Rex Dieter (26 November 2013). "Rex's Blog". 
  7. ^ a b "Display Managers In Plasma 5". 3 November 2014. 
  8. ^ Larabel, Michael (3 November 2014). "SDDM Is The Recommended Display Manager Of KDE Plasma 5". Phoronix. Retrieved 3 November 2014. 
  9. ^ Leclanche, Jerome (2013-10-30). "[Lxde-list] CALL FOR TESTERS: LXQt now available for testing". SourceForge. Retrieved 2015-08-08. ... For a display manager, SDDM is recommended ...