diff --git a/README.md b/README.md
index 67804ce..e55e913 100644
--- a/README.md
+++ b/README.md
@@ -52,3 +52,10 @@ git submodule add git@github.com:worldbeater/Citrus.Avalonia.git ./external/citr
# The ../external/citrus/src/Citrus.Avalonia.Sandbox/Citrus.Avalonia.Sandbox.csproj is
# the sandbox where you can browse the markup samples.
```
+
+### Technologies and Tools Used
+
+- AvaloniaUI cross-platform XAML-based GUI framework
+- ReactiveUI.Fody for MVVM implementation in the sandbox project
+- ReactiveUI.Validation for `INotifyDataErrorInfo` validations
+- JetBrains Rider cross-platform C# IDE