FLTK：跨平台 C++ 图形用户界面工具包
The Fast Light Tool Kit ("FLTK", pronounced "fulltick") is a cross-platform C++ GUI toolkit for UNIX®/Linux® (X11 or Wayland), Microsoft® Windows®, and macOS®.
FLTK provides modern GUI functionality without the bloat and supports 3D graphics via OpenGL® and its built-in GLUT emulation.
机翻
FLTK 是一个用于UNIX®/Linux®（X11或Wayland）、Microsoft®Windows®和macOS®。
FLTK提供了现代GUI功能通过OpenGL®及其内置GLUT支持3D图形仿真。