= Derived Software =
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 * [attachment:libsmrt.tar.gz] is a smartpointer library which is derived, and aims to be in sync with [wiki:OpenSceneGraph OpenSceneGraph's] ref_ptr implementation. Useful for using osg's implmentation of ref_ptrs for outside projects without pulling in osg as a dependency.
 * [http://osggis.org osgGIS] is a library that facilitates the use of GIS feature data in OpenSceneGraph applications.
 * [http://pvle.sourceforge.net/ PVLE game engine], a small open source engine based on !OpenSceneGraph, that integrates physics simulation (with [http://www.ode.org/ ODE]), audio (with [http://sourceforge.net/projects/osgal/ osgAL]) and other things, by [wiki:Community/People/Sukender Sukender].