+<P>
+
+<table width=100% border=0 cellpadding=3 cellspacing=0>
+<tr>
+<td bgcolor="#004080" align=left height=24 background="images/bluetitlegradient.gif">
+<font size=+1 face="Arial, Lucida Sans, Helvetica" color="#FFFFFF">
+<b><a name="contribs">Optional Libraries</a></b>
+</font>
+</td>
+</tr>
+</table>
+
+<P>
+
+These are the optional libraries in the <a href="../../contrib">contrib</a> hierarchy.<P>
+
+<ul>
+<li><a href="../../contrib/src/animate">animate</a>: a flip-book animation class, with animated GIF player.
+<li><a href="../../contrib/src/deprecated">deprecated</a>: deprecated classes including the old WXR resource system and property sheet classes.
+<li><a href="../../contrib/src/fl">fl</a>: a frame layout/docking library.
+<li><a href="../../contrib/src/foldbar">foldbar</a>: wxFoldPanel class for economical layout of controls.
+<li><a href="../../contrib/src/gizmos">gizmos</a>: a variety of GUI classes including wxDynamicSashWindow, wxLEDNumberCtrl, wxEditableListBox, wxStaticPicture
+and a split tree/content view.
+<li><a href="../../contrib/src/mmedia">mmedia</a>: deprecated library for playing audio and video.
+<li><a href="../../contrib/src/net">net</a>: wxEmail class.
+<li><a href="../../contrib/src/ogl">ogl</a>: Object Graphics Library (for drawing connected shapes).
+<li><a href="../../contrib/src/plot">plot</a>: simple plotting class.
+<li><a href="../../contrib/src/stc">stc</a>: wxStyledTextControl, a wrapper for the Scintilla code editor control.
+<li><a href="../../contrib/src/svg">svg</a>: wxSVGFileDC class for drawing vector graphics into a SVG file.
+</ul>
+
+<P>
+
+<table width=100% border=0 cellpadding=3 cellspacing=0>
+<tr>
+<td bgcolor="#004080" align=left height=24 background="images/bluetitlegradient.gif">
+<font size=+1 face="Arial, Lucida Sans, Helvetica" color="#FFFFFF">
+<b><a name="samples">Samples</a></b>
+</font>
+</td>
+</tr>
+</table>
+
+<P>