Similar to FLTK

• 

  Falkon

  Falkon
  
• 

  FAR Manager

  Far Manager
  
• 

  Ffdshow

  Ffdshow
  
• 

  FFmpeg

  FFmpeg
  
• 

  FreeMat

  FreeMat
  
• 

  GiNaC

  GiNaC
  
• 

  GLib

  GLib
  
• 

  GNU LilyPond

  LilyPond
  
• 

  GNU Octave

  GNU Octave
  
• 

  GNUコンパイラコレクション

  GNU Compiler Collection
  
• 

  Godot (ゲームエンジン)

  Godot (game engine)
  
• 

  Hibernate

  Hibernate (framework)
  
• 

  HipHop Virtual Machine

  HHVM
  
• 

  Hydrogen (ソフトウェア)

  Hydrogen (software)
  
• 

  InfraRecorder

  InfraRecorder
  
• 

  Irrlicht Engine

  Irrlicht Engine
  
• 

  K3b

  K3b
  
• 

  Kdenlive

  Kdenlive
  ▲3 trends

  
• 

  KDevelop

  KDevelop
  
• 

  KHTML

  KHTML
  
• 

  Kodi

  Kodi (software)
  
• 

  Motif (GUI)

  Motif (software)
  
• 

  Windows UI Library

  Windows UI Library
  
• 

  WxWidgets

  WxWidgets
  ▲2 trends

  
• 

  XULRunner

  XULRunner
  
• 

  Ceph

  Ceph (software)
  
• 

  Graphite

  Graphite (smart font technology)
  
• 

  KWrite

  KWrite