<li><a href="http://sgl.sourceforge.net/" target="_parent">SGL</a> - a 3D Scene Graph Library
<li><a href="http://www.lal.in2p3.fr/SI/SoFree/" target="_parent">SoFree</a> - a free implementation of Open Inventor
<li><a href="http://togl.sourceforge.net/" target="_parent">Togl</a> - Tcl/Tk widget for OpenGL
-<li><a href="http://mesa3d.sourceforge.net/notfound.html">VLE</a> - Virtual Reality Toolkit
<li><a href="http://www.int.com/" target="_parent">View3D Widget</a> - 3-D GUI widget
<li><a href="http://www.vtk.org/" target="_parent">VTK</a> - Visualization Toolkit
<li><a href="http://home.earthlink.net/%7Erzeh/YAJOGLB/doc/YAJOGLB.html" target="_parent">YAJOGL</a> - Yet Another Java GL Binding.
</ul>
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