diff --git a/LICENSE b/LICENSE
new file mode 100644
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,25 @@
+The following license covers this documentation, and the source code, except
+where otherwise indicated.
+
+Copyright 2010, Michael Snoyman. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice, this
+  list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright notice,
+  this list of conditions and the following disclaimer in the documentation
+  and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS "AS IS" AND ANY EXPRESS OR
+IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY DIRECT, INDIRECT,
+INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
+OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/Setup.lhs b/Setup.lhs
new file mode 100644
--- /dev/null
+++ b/Setup.lhs
@@ -0,0 +1,7 @@
+#!/usr/bin/env runhaskell
+
+> module Main where
+> import Distribution.Simple
+
+> main :: IO ()
+> main = defaultMain
diff --git a/Yesod/Helpers/Sitemap.hs b/Yesod/Helpers/Sitemap.hs
new file mode 100644
--- /dev/null
+++ b/Yesod/Helpers/Sitemap.hs
@@ -0,0 +1,82 @@
+{-# LANGUAGE QuasiQuotes #-}
+{-# LANGUAGE CPP #-}
+---------------------------------------------------------
+--
+-- Module        : Yesod.Helpers.Sitemap
+-- Copyright     : Michael Snoyman
+-- License       : BSD3
+--
+-- Maintainer    : Michael Snoyman <michael@snoyman.com>
+-- Stability     : Stable
+-- Portability   : portable
+--
+-- Generating Google sitemap files.
+--
+---------------------------------------------------------
+
+-- | Generates XML sitemap files.
+--
+-- See <http://www.sitemaps.org/>.
+module Yesod.Helpers.Sitemap
+    ( sitemap
+    , robots
+    , SitemapUrl (..)
+    , SitemapChangeFreq (..)
+    ) where
+
+import Yesod.Content (RepXml (..), RepPlain (..), toContent, formatW3)
+import Yesod.Handler (Route, GHandler, getUrlRender)
+import Yesod.Handler (hamletToContent)
+import Text.Hamlet (Hamlet, xhamlet)
+import Data.Time (UTCTime)
+
+data SitemapChangeFreq = Always
+                       | Hourly
+                       | Daily
+                       | Weekly
+                       | Monthly
+                       | Yearly
+                       | Never
+
+showFreq :: SitemapChangeFreq -> String
+showFreq Always  = "always"
+showFreq Hourly  = "hourly"
+showFreq Daily   = "daily"
+showFreq Weekly  = "weekly"
+showFreq Monthly = "monthly"
+showFreq Yearly  = "yearly"
+showFreq Never   = "never"
+
+data SitemapUrl url = SitemapUrl
+    { sitemapLoc :: url
+    , sitemapLastMod :: UTCTime
+    , sitemapChangeFreq :: SitemapChangeFreq
+    , priority :: Double
+    }
+
+template :: [SitemapUrl url] -> Hamlet url
+template urls =
+#if __GLASGOW_HASKELL__ >= 700
+                [xhamlet|
+#else
+                [$xhamlet|
+#endif
+<div id="endif">
+<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
+    $forall url <- urls
+        <url>
+            <loc>@{sitemapLoc url}
+            <lastmod>#{formatW3 (sitemapLastMod url)}
+            <changefreq>#{showFreq (sitemapChangeFreq url)}
+            <priority>#{show (priority url)}
+|]
+
+sitemap :: [SitemapUrl (Route master)] -> GHandler sub master RepXml
+sitemap = fmap RepXml . hamletToContent . template
+
+-- | A basic robots file which just lists the "Sitemap: " line.
+robots :: Route master -- ^ sitemap url
+       -> GHandler sub master RepPlain
+robots smurl = do
+    render <- getUrlRender
+    return $ RepPlain $ toContent $ "Sitemap: " ++ render smurl
diff --git a/yesod-sitemap.cabal b/yesod-sitemap.cabal
new file mode 100644
--- /dev/null
+++ b/yesod-sitemap.cabal
@@ -0,0 +1,24 @@
+name:            yesod-sitemap
+version:         0.0.0
+license:         BSD3
+license-file:    LICENSE
+author:          Michael Snoyman <michael@snoyman.com>
+maintainer:      Michael Snoyman <michael@snoyman.com>
+synopsis:        Generate XML sitemaps.
+category:        Web, Yesod
+stability:       Stable
+cabal-version:   >= 1.6
+build-type:      Simple
+homepage:        http://docs.yesodweb.com/
+
+library
+    build-depends:   base                      >= 4        && < 5
+                   , yesod-core                >= 0.7      && < 0.8
+                   , time                      >= 1.1.4    && < 1.3
+                   , hamlet                    >= 0.7      && < 0.8
+    exposed-modules: Yesod.Helpers.Sitemap
+    ghc-options:     -Wall
+
+source-repository head
+  type:     git
+  location: git://github.com/snoyberg/yesod-sitemap.git