diff --git a/contrithanks.sh b/contrithanks.sh
new file mode 100755
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--- /dev/null
+++ b/contrithanks.sh
@@ -0,0 +1,57 @@
+#!/bin/sh
+#***************************************************************************
+#                                  _   _ ____  _
+#  Project                     ___| | | |  _ \| |
+#                             / __| | | | |_) | |
+#                            | (__| |_| |  _ <| |___
+#                             \___|\___/|_| \_\_____|
+#
+# Copyright (C) 2013-2015, Daniel Stenberg, <daniel@haxx.se>, et al.
+#
+# This software is licensed as described in the file COPYING, which
+# you should have received as part of this distribution. The terms
+# are also available at http://curl.haxx.se/docs/copyright.html.
+#
+# You may opt to use, copy, modify, merge, publish, distribute and/or sell
+# copies of the Software, and permit persons to whom the Software is
+# furnished to do so, under the terms of the COPYING file.
+#
+# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+# KIND, either express or implied.
+#
+###########################################################################
+
+#
+# This script shows all mentioned contributors from <hash> until HEAD and
+# puts them at the end of the THANKS document on stdout
+#
+
+start=$1
+
+if test -z "$start"; then
+  echo "Usage: $0 <since this tag/hash>"
+fi
+
+cat ./docs/THANKS
+
+(
+git log $start..HEAD | \
+egrep -i '(Author|Commit|by):' | \
+cut -d: -f2- | \
+cut '-d<' -f1 | \
+tr , '\012' | \
+sed 's/ and /\n/' | \
+sed -e 's/^ //' -e 's/ $//g'
+
+# grep out the list of names from RELEASE-NOTES
+# split on ", "
+# remove leading white spaces
+grep "^  [^ (]" RELEASE-NOTES| \
+sed 's/, */\n/g'| \
+sed 's/^ *//'
+
+)| \
+sed -f ./docs/THANKS-filter | \
+grep ' ' | \
+sort -fu | \
+grep -xvf ./docs/THANKS