diff --git a/Casks/omnioutliner3.rb b/Casks/omnioutliner3.rb
new file mode 100644
index 000000000..25f794af2
--- /dev/null
+++ b/Casks/omnioutliner3.rb
@@ -0,0 +1,10 @@
+class Omnioutliner3 < Cask
+  version :latest
+  sha256 :no_check
+
+  url 'http://omnigroup.com/download/latest/omnioutliner-3'
+  homepage 'http://www.omnigroup.com/omnioutliner/'
+  license :closed
+
+  app 'OmniOutliner.app'
+end