GLFract II

GLFract renders Julia Sets as heightmaps in 3D using OpenGL and GLSL.
Explore the fractal parameter space at interactive rates using the mouse.


  • Quadratic, Quartic, Quintic functions
  • Fast GLSL Shader rendering
  • Loads Eyefract parameter files and fractint colormaps
  • PPM Image export
  • Background rendering thread
  • Real-time mouse controls
  • Command line


  • OpenGL 1.0 for rendering
  • OpenGL 2.0 for fast rendering using shaders


Windows build:   264k
Source:   glfract2-src-r184.tar.gz   121k

GLFract II is written in ANSI C using FreeGlut and pthreads.
Freshmeat project page

Try out some other fractal software:
Fractal Software Roundup on freshmeat