diff --git a/cli-apps.yaml b/cli-apps.yaml
index 3307108..ff939e4 100644
--- a/cli-apps.yaml
+++ b/cli-apps.yaml
@@ -1099,6 +1099,12 @@ apps:
                 directories; can be used to apply a command of a
                 interactively selected files or to move across
                 directories.
+        -
+            name: alder
+            url: https://github.com/aweary/alder
+            description: |
+                "A minimal implementation of the UNIX tree command with
+                colors!"
         -
             name: tree
             url: http://mama.indstate.edu/users/ice/tree/