diff --git a/site_scons/site_tools/osxapp.py b/site_scons/site_tools/osxapp.py
new file mode 100644
index 0000000..e56a795
--- /dev/null
+++ b/site_scons/site_tools/osxapp.py
@@ -0,0 +1,36 @@
+# osxapp.py
+# Eryn Wells <eryn@erynwells.me>
+
+import os.path
+
+_BUNDLE_SUFFIX = '.app'
+
+
+def _assemble_app_bundle(env, bundle_name, binary, info_plist, resources_dir):
+    # TODO: Create directory structure, copy binary, plist, and resources. Sign the binary? app bundle?
+
+    if not bundle_name.endswith('.app'):
+        bundle_name += '.app'
+
+    bundle_dir = env.Dir(bundle_name)
+    contents_dir = bundle_dir.Dir('Contents')
+    macos_dir = contents_dir.Dir('MacOS')
+    resources_dir = contents_dir.Dir('Resources')
+
+    return [env.Mkdir(contents_dir),
+            env.Copy(contents_dir.File('Info.plist'), info_list),
+            env.Mkdir(macos_dir),
+            env.Copy(macos_dir.File(bundle_name), binary)
+
+
+_app_builder = Builder(action=_assemble_app_bundle,
+                       suffix=_BUNDLE_SUFFIX)
+
+
+def generate(env):
+    env['OSXAPPBUNDLESUFFIX'] = _BUNDLE_SUFFIX
+    env['BUILDERS']['OSXApp'] = _app_builder
+
+
+def exists(env):
+    return True