diff --git a/html/contrib.html b/html/contrib.html
index 1d386960..d537dc1a 100644
--- a/html/contrib.html
+++ b/html/contrib.html
@@ -57,11 +57,13 @@ two programs by Patrick Naughton for converting
 
 <TR>
 <TD VALIGN=top>
-<B>contrib/mac-mpw</B>
+<B>contrib/mac-mpw</B><br>
+<B>contrib/mac-cw</B>
 </TD>
 <TD>
 scripts and files from Niles Ritter for building
-		the library and tools under Macintosh/MPW C.
+the library and tools under Macintosh/MPW C and
+code warrior.
 </TD>
 </TR>
 
@@ -81,7 +83,8 @@ scripts and files from Peter Greenham for building
 </TD>
 <TD>
 scripts and files from Scott Wagner for building
-		the library under Windows NT and Windows 95.
+the library under Windows NT and Windows 95. (The makefile.vc in the
+libtiff/libtiff directory may be sufficient for most users.)
 </TD>
 </TR>
 
@@ -140,6 +143,34 @@ HREF=http://www.wizards.dupont.com/magick>ImageMagick</a> convert(1)
 utility.
 
 
+</TD>
+</TR>
+
+<TR>
+<TD VALIGN=top>
+<B>contrib/addtiffo</B>
+</TD>
+
+<TD>
+
+A utility (and supporting subroutine) for building
+one or more reduce resolution
+overviews to an existing TIFF file.  Supplied by 
+<a href="mailto:warmerda@home.com">Frank Warmerdam</a>.
+
+</TD>
+</TR>
+
+<TR>
+<TD VALIGN=top>
+<B>contrib/stream</B>
+</TD>
+
+<TD>
+
+A class (TiffStream) for accessing TIFF files through a C++ stream 
+interface.   Supplied by <a href="mailto:avi@shutterfly.com">Avi Bleiweiss</a>.
+
 </TD>
 </TR>
 
@@ -152,7 +183,7 @@ their authors.
 <P>
 <HR>
 
-Last updated: $Date: 1999-08-09 20:21:21 $
+Last updated: $Date: 2000-03-30 21:59:14 $
 
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 </HTML>