diff --git a/source/components/tags.md b/source/components/tags.md
index 2a8e284..33c03fc 100644
--- a/source/components/tags.md
+++ b/source/components/tags.md
@@ -46,4 +46,6 @@
 
 `CLI+` - CLI in addition to GUI
 
+`TUI` - Terminal user interface
+
 `Windows`, `MacOS`, `Linux`, `Android`, `IOS`, `CLI`, `SelfHost`, `Web`, `VSCode`, `JetBrains`, `Chromium`, `Firefox`, `Plugin`, `Extension`, `N/A`