diff --git a/assets/apps/tributary/index.yaml b/assets/apps/tributary/index.yaml
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--- /dev/null
+++ b/assets/apps/tributary/index.yaml
@@ -0,0 +1,18 @@
+name: Tributary
+url: https://github.com/jm2/tributary
+repoUrl: https://github.com/jm2/tributary
+platforms:
+  linux: true
+  windows: true
+  macos: true
+api: OpenSubsonic
+description: "Tributary is a high-performance, Rhythmbox-style media manager written in pure Rust with GTK4 and libadwaita."
+screenshots:
+  thumbnail: thumbnail.jpg
+isFree: true
+isOpenSource: true
+keywords:
+  - gtk4
+  - rust
+  - desktop
+  - libadwaita
diff --git a/assets/apps/tributary/thumbnail.jpg b/assets/apps/tributary/thumbnail.jpg
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index 00000000..5d13cad3
Binary files /dev/null and b/assets/apps/tributary/thumbnail.jpg differ