diff --git a/index.html b/index.html
index ebc80b0..3e0552a 100644
--- a/index.html
+++ b/index.html
@@ -107,6 +107,10 @@ I made the GitHub Badge Service.
   <td><img src='//img.shields.io/gemnasium/mathiasbynens/he.svg' alt=''/></td>
   <td><code>http://img.shields.io/gemnasium/mathiasbynens/he.svg</code></td>
   </tr>
+  <tr><th> David: </th>
+  <td><img src='//img.shields.io/david/visionmedia/express.svg' alt=''/></td>
+  <td><code>http://img.shields.io/david/visionmedia/express.svg</code></td>
+  </tr>
   <tr><th> Packagist: </th>
   <td><img src='//img.shields.io/packagist/l/doctrine/orm.svg' alt=''/></td>
   <td><code>http://img.shields.io/packagist/l/doctrine/orm.svg</code></td>
diff --git a/server.js b/server.js
index f1dfb7e..123b81b 100644
--- a/server.js
+++ b/server.js
@@ -798,6 +798,41 @@ cache(function(data, match, sendBadge) {
   });
 }));
 
+// David integration
+camp.route(/^\/david\/(.+)\.(svg|png|gif|jpg)$/,
+cache(function(data, match, sendBadge) {
+  var userRepo = match[1];  // eg, `jekyll/jekyll`.
+  var format = match[2];
+  var options = 'https://david-dm.org/' + userRepo + '/info.json';
+  var badgeData = getBadgeData('dependencies', data);
+  request(options, function(err, res, buffer) {
+    if (err != null) {
+      badgeData.text[1] = 'inaccessible';
+      sendBadge(format, badgeData);
+    }
+    try {
+      var data = JSON.parse(buffer);
+      var status = data.status;
+      if (status === 'notsouptodate') {
+        badgeData.colorscheme = 'yellow';
+        status = 'up-to-date';
+      } else if (status === 'outofdate') {
+        badgeData.colorscheme = 'red';
+        status = 'out-of-date';
+      } else if (status === 'uptodate') {
+        badgeData.colorscheme = 'brightgreen';
+        status = 'up-to-date';
+      }
+      badgeData.text[1] = status;
+      sendBadge(format, badgeData);
+    } catch(e) {
+      badgeData.text[1] = 'invalid';
+      sendBadge(format, badgeData);
+      return;
+    }
+  });
+}));
+
 // Gemnasium integration
 camp.route(/^\/gemnasium\/(.+)\.(svg|png|gif|jpg)$/,
 cache(function(data, match, sendBadge) {
diff --git a/try.html b/try.html
index 477156a..71be0cd 100644
--- a/try.html
+++ b/try.html
@@ -107,6 +107,10 @@ I made the GitHub Badge Service.
   <td><img src='/gemnasium/mathiasbynens/he.svg' alt=''/></td>
   <td><code>http://img.shields.io/gemnasium/mathiasbynens/he.svg</code></td>
   </tr>
+  <tr><th> David: </th>
+  <td><img src='/david/visionmedia/express.svg' alt=''/></td>
+  <td><code>http://img.shields.io/david/visionmedia/express.svg</code></td>
+  </tr>
   <tr><th> Packagist: </th>
   <td><img src='/packagist/l/doctrine/orm.svg' alt=''/></td>
   <td><code>http://img.shields.io/packagist/l/doctrine/orm.svg</code></td>