some icons taken from https://github.com/elementary/icons GPLv3 lists: network.png star.png star_blue.png some icons taken from https://github.com/zayronxio/Zafiro-icons GPLv3 lists: error.png https://github.com/yeyushengfan258/Win11-icon-theme GPLv3 lists: clear.png qt resources example list: icons/print.png icons/programs.png http://tango.freedesktop.org/Tango_Desktop_Project list: internet.png home.png configure.png system-search.png fileopen.png addtab.png https://commons.wikimedia.org/wiki/GNOME_Desktop_icons GPLv3 lists: windows-list.png interface.png closetab.png icon32_sdict.png https://commons.wikimedia.org/wiki/File:Accessories-dictionary.svg folder.png previous.png next.png reload.png icon32_zoomin.png icon32_zoomout.png icon32_zoombase.png hotkeys.png filesave.png playsound_color.png