GUI

  * [[.:gtk:start|GTK]]
  * [[.:qt:start|Qt]]
  * [[.:wx:start|wxWidgets]]
  * [[.:fltk:start|FLTK]]
  * [[.:tk:start|Tk]]
  * [[.:fox-toolkit:start|FOX TOOLKIT]]
  * [[.:juce:start|JUCE]]
  * [[.:nuklear:start|Nuklear]]
  * [[.:cegui:start|CEGUI]]
  * [[.:imgui:start|Dear ImGui]]
  * [[.:iced:start|Iced]]
  * [[.:egui:start|egui]]
  * [[.:kivy:start|Kivy]]
  * [[.:electron:start|Electron]]
  * [[.:nwjs:start|NW.js]]
  * [[.:avalonia:start|Avalonia]]
  * [[.:uno-platform:start|Uno Platform]]
  * [[.:upp:start|U++]]
  * [[.:gambas:start|Gambas]]
  * [[.:lazarus:start|Lazarus]]
  * [[.:gnustep:start|GNUstep]]
  * [[.:squeak:start|Squeak]]
  * [[.:pharo:start|Pharo]]