GL4Java

http://www.jausoft.com/gl4java/

GLMame

http://www.jausoft.com/glmame.html

Mesa3D includes glut now)

http://mesa3d.sourceforge.net/

Direct Rendering Infrastructure (DRI)

http://dri.sourceforge.net/

XFree86

http://www.xfree86.org/

OpenGL

http://www.opengl.org

OpenGL WWW Center

http://www.sgi.com/software/opengl/

glx Specification

http://reality.sgi.com/mjk_asd/glxspec/glxspec.html

GLUT 3

http://reality.sgi.com/mjk_asd/glut3/glut3.html

JavaCC

http://www.webgain.com/products/metamata/java_doc.html
 

... hope that helps ;-)) !