diff --git a/README.md b/README.md
index b3ef02b..b4a8be8 100644
--- a/README.md
+++ b/README.md
@@ -118,6 +118,8 @@ Abandoned - Development Halted
 
 `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`
 
 ## Table of Contents
diff --git a/readmes/linux.md b/readmes/linux.md
index 2e5d86a..e5cb0bd 100644
--- a/readmes/linux.md
+++ b/readmes/linux.md
@@ -50,6 +50,8 @@
 
 `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`
 
 ## Table of Contents
diff --git a/readmes/macos.md b/readmes/macos.md
index a9733f5..1817826 100644
--- a/readmes/macos.md
+++ b/readmes/macos.md
@@ -50,6 +50,8 @@
 
 `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`
 
 ## Table of Contents
diff --git a/readmes/selfhost.md b/readmes/selfhost.md
index 5230834..216f90d 100644
--- a/readmes/selfhost.md
+++ b/readmes/selfhost.md
@@ -50,6 +50,8 @@
 
 `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`
 
 ## Table of Contents
diff --git a/readmes/windows.md b/readmes/windows.md
index aa9ef9b..2bebbca 100644
--- a/readmes/windows.md
+++ b/readmes/windows.md
@@ -50,6 +50,8 @@
 
 `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`
 
 ## Table of Contents