diff --git a/README.md b/README.md
index 9e90278..e036186 100644
--- a/README.md
+++ b/README.md
@@ -48,6 +48,11 @@
 * [Dart Math Library](https://api.dartlang.org/stable/2.2.0/dart-math/dart-math-library.html)
 * [Random Class](https://api.dartlang.org/stable/2.2.0/dart-math/Random-class.html)
 
+## 5. Xylophone App
+
+* [XyloPhone Stub Project](https://github.com/londonappbrewery/xylophone-flutter)
+* [Flutter Packages](https://pub.dartlang.org/flutter)
+