diff --git a/Useful-Extensions.md b/Useful-Extensions.md
index 5f0ac2c..7d3ed76 100644
--- a/Useful-Extensions.md
+++ b/Useful-Extensions.md
@@ -119,10 +119,13 @@ Many more Node Editors at [#306](https://github.com/ocornut/imgui/issues/306).
 <BR> [github/Limeoats/L2DFileDialog](https://github.com/Limeoats/L2DFileDialog)
 <BR> ![](https://user-images.githubusercontent.com/1193295/103759110-79067880-5013-11eb-9fc5-522f3bb9e5df.png)
 
-**aiekick/ImGuiFileDialog** : (2019-2021) (win/linux/mac) thumbnails, advanced file styling, custom pane, bookmarks, etc..
+**aiekick/ImGuiFileDialog**: (2019-2021) (win/linux/mac) thumbnails, advanced file styling, custom pane, bookmarks, etc..
 <BR> [github/aiekick/ImGuiFileDialog](https://github.com/aiekick/ImGuiFileDialog)
 <BR> ![](https://user-images.githubusercontent.com/1434736/139579841-975a72de-c70c-4132-a3e3-20dd564d858f.png)
 
+**OverShifted's Directory tree view: (2020)
+<BR> [thread](https://github.com/ocornut/imgui/issues/3384) / [gist](https://github.com/ocornut/imgui/issues/3384)
+
 **AirGuanZ's imgui-filebrowser**
 <BR> [github/AirGuanZ-imgui-filebrowser](https://github.com/AirGuanZ/imgui-filebrowser)
 <BR> ![](https://user-images.githubusercontent.com/1193295/96841762-781a6d80-144c-11eb-9ef9-7f9c3bda37d1.png)