diff --git a/source_code.md b/source_code.md
index 8d6fc61f..42bbd89d 100644
--- a/source_code.md
+++ b/source_code.md
@@ -351,6 +351,11 @@ Backend: Closed Source
    Tails: https://tails.boum.org/contribute/git/
    
    KNOPPIX: ?
+  LXDE: https://github.com/lxde
+  MPlayer: svn://svn.mplayerhq.hu/mplayer/trunk
+  WvDial: https://github.com/wlach/wvdial
+  Gimp: https://gitlab.gnome.org/GNOME/gimp
+  LibreOffice: https://git.libreoffice.org/core
    
    PuppyLinux: ?