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@@ -28,6 +28,7 @@ Wenn wir uns in Rails verliebt haben sollten können wir uns [hier](https://tees
 - [Positioning](https://github.com/brendon/positioning) Positioning supports multiple lists per model with global, simple, and complex scopes
 - [Hotwire Combobox](https://www.driftingruby.com/episodes/hotwire-combobox) In this episode, we tackle the issue of slow-loading dropdowns with a high volume of options by implementing an asynchronous select using the Hotwire Combobox library
 - [Icon Helper](https://webcrunch.com/posts/svg-icons-with-ruby-on-rails)
+- [Letter Opener](https://github.com/ryanb/letter_opener) Preview email in the default browser instead of sending it
 
 ## Interessante Javascript Plugins