diff --git a/gdn-app/package.json b/gdn-app/package.json
index 3e5b211..3e086f3 100644
--- a/gdn-app/package.json
+++ b/gdn-app/package.json
@@ -10,6 +10,7 @@
     "tauri": "tauri"
   },
   "dependencies": {
+    "@floating-ui/vue": "^1.1.6",
     "@remixicon/vue": "^4.6.0",
     "@tailwindcss/vite": "^4.0.0",
     "@tauri-apps/api": "^2.2.0",
diff --git a/gdn-app/src/App.vue b/gdn-app/src/App.vue
index 384c846..fd75922 100644
--- a/gdn-app/src/App.vue
+++ b/gdn-app/src/App.vue
@@ -1,18 +1,11 @@
 <script setup lang="ts">
 import Navbar from "./components/Navbar.vue";
-import Test from "./components/Test.vue";
-import { useFooStore } from "./stores/foo";
-
-const foo = useFooStore();
 </script>
 
 <template>
   <div class="flex h-screen touch-pan-x touch-pan-y flex-col">
     <Navbar />
     <div class="h-full overflow-auto">
-      <Test />
-      <br />
-      Yes, it's now {{ foo.name }}.
       <template v-for="_ in 6">
         <p class="p-1 font-thin">The quick brown fox Qiii</p>
         <p class="p-1 font-extralight">The quick brown fox Qiii</p>
diff --git a/gdn-app/src/components/Navbar.vue b/gdn-app/src/components/Navbar.vue
index 0ba75ab..6b7f1e1 100644
--- a/gdn-app/src/components/Navbar.vue
+++ b/gdn-app/src/components/Navbar.vue
@@ -1,15 +1,11 @@
 <script setup lang="ts">
-import { RiArrowDropDownLine, RiSettings3Fill } from "@remixicon/vue";
+import { RiSettings3Fill } from "@remixicon/vue";
+import NavbarDropdown from "./NavbarDropdown.vue";
 </script>
 
 <template>
   <div class="flex justify-between bg-black p-2 text-white">
-    <div
-      class="cursor-default rounded-md bg-neutral-800 pl-2 text-lg hover:bg-neutral-700 active:bg-neutral-500"
-    >
-      GedächtNAS
-      <RiArrowDropDownLine class="inline" />
-    </div>
+    <NavbarDropdown />
     <div
       class="flex items-center rounded-md bg-neutral-800 px-1 hover:bg-neutral-700 active:bg-neutral-500"
     >
diff --git a/gdn-app/src/components/NavbarDropdown.vue b/gdn-app/src/components/NavbarDropdown.vue
new file mode 100644
index 0000000..3e8f15c
--- /dev/null
+++ b/gdn-app/src/components/NavbarDropdown.vue
@@ -0,0 +1,69 @@
+<script setup lang="ts">
+import { useReposStore } from "@/stores/repos";
+import { offset, useFloating } from "@floating-ui/vue";
+import {
+  RiAddLine,
+  RiArrowDropDownLine,
+  RiArrowDropUpLine,
+} from "@remixicon/vue";
+import { ref, useTemplateRef } from "vue";
+import NavbarDropdownEntry from "./NavbarDropdownEntry.vue";
+
+const repos = useReposStore();
+
+const open = ref(false);
+
+// https://floating-ui.com/docs/vue
+const reference = useTemplateRef("reference");
+const floating = useTemplateRef("floating");
+const { floatingStyles } = useFloating(reference, floating, {
+  placement: "bottom-start",
+  middleware: [offset(4)],
+});
+
+function onAddNewRepo() {
+  repos.addRepo({ id: "test", name: "test" });
+  console.log(repos.selectedRepo);
+  open.value = false;
+}
+</script>
+
+<template>
+  <!-- Navbar entry -->
+  <div
+    ref="reference"
+    class="relative cursor-default rounded-md bg-neutral-800 pl-2 text-lg font-light hover:bg-neutral-700 active:bg-neutral-500"
+    @click="open = !open"
+  >
+    <span v-if="repos.selectedRepo">{{ repos.selectedRepo.name }}</span>
+    <span v-else class="italic">no repo selected</span>
+
+    <RiArrowDropUpLine v-if="open" class="inline" />
+    <RiArrowDropDownLine v-else class="inline" />
+  </div>
+
+  <!-- Close dropdown when clicking outside it -->
+  <div
+    v-if="open"
+    class="fixed left-0 top-0 h-screen w-screen"
+    @click="open = false"
+  ></div>
+
+  <!-- Dropdown -->
+  <div
+    v-if="open"
+    ref="floating"
+    class="absolute left-0 top-0 w-fit min-w-48 rounded-md bg-neutral-800 font-light"
+    :style="floatingStyles"
+  >
+    <NavbarDropdownEntry
+      v-for="repo of repos.reposByName"
+      :class="{ 'font-medium': repo.id === repos.selectedRepoId }"
+      >{{ repo.name }}</NavbarDropdownEntry
+    >
+    <hr v-if="repos.reposByName.length > 0" class="m-1 text-neutral-700" />
+    <NavbarDropdownEntry class="italic" @click="onAddNewRepo">
+      <RiAddLine class="-ml-2 inline h-4" />add new repo
+    </NavbarDropdownEntry>
+  </div>
+</template>
diff --git a/gdn-app/src/components/NavbarDropdownEntry.vue b/gdn-app/src/components/NavbarDropdownEntry.vue
new file mode 100644
index 0000000..1982945
--- /dev/null
+++ b/gdn-app/src/components/NavbarDropdownEntry.vue
@@ -0,0 +1,7 @@
+<template>
+  <div class="m-1">
+    <div class="cursor-pointer select-none rounded px-2 hover:bg-neutral-700">
+      <slot></slot>
+    </div>
+  </div>
+</template>
diff --git a/gdn-app/src/components/Test.vue b/gdn-app/src/components/Test.vue
deleted file mode 100644
index 9ed2fd9..0000000
--- a/gdn-app/src/components/Test.vue
+++ /dev/null
@@ -1,10 +0,0 @@
-<script setup lang="ts">
-import { useFooStore } from "@/stores/foo";
-
-const foo = useFooStore();
-</script>
-
-<template>
-  Foo is {{ foo.name }}.
-  <button @click="foo.setName('bar')">Change to bar.</button>
-</template>
diff --git a/gdn-app/src/stores/foo.ts b/gdn-app/src/stores/foo.ts
deleted file mode 100644
index 392551d..0000000
--- a/gdn-app/src/stores/foo.ts
+++ /dev/null
@@ -1,12 +0,0 @@
-import { defineStore } from "pinia";
-import { ref } from "vue";
-
-export const useFooStore = defineStore("foo", () => {
-  const name = ref("foo");
-
-  function setName(to: string) {
-    name.value = to;
-  }
-
-  return { name, setName };
-});
diff --git a/gdn-app/src/stores/repos.ts b/gdn-app/src/stores/repos.ts
new file mode 100644
index 0000000..454ac3f
--- /dev/null
+++ b/gdn-app/src/stores/repos.ts
@@ -0,0 +1,55 @@
+import { defineStore } from "pinia";
+import { computed, ref } from "vue";
+
+type Repo = {
+  id: string;
+  name: string;
+};
+
+export const useReposStore = defineStore("repos", () => {
+  const repos = ref<Map<string, Repo>>(new Map());
+  const selectedRepoId = ref<string>();
+
+  const selectedRepo = computed<Repo | undefined>(() => {
+    if (selectedRepoId.value === undefined) return undefined;
+    return repos.value.get(selectedRepoId.value);
+  });
+
+  const reposByName = computed<Repo[]>(() => {
+    const values = [...repos.value.values()];
+    values.sort((a, b) => (a.name < b.name ? -1 : a.name > b.name ? 1 : 0));
+    return values;
+  });
+
+  const repoIdsByName = computed<string[]>(() =>
+    reposByName.value.map((it) => it.id),
+  );
+
+  function addRepo(repo: Repo) {
+    repos.value.set(repo.id, repo);
+    selectedRepoId.value = repo.id;
+  }
+
+  function removeRepo(id: string) {
+    const i = repoIdsByName.value.indexOf(id);
+    repos.value.delete(id);
+    if (i >= 0) {
+      const j = Math.min(i, reposByName.value.length - 1);
+      selectRepo(repoIdsByName.value[j]);
+    }
+  }
+
+  function selectRepo(id: string) {
+    if (repos.value.get(id) === undefined) return;
+    selectedRepoId.value = id;
+  }
+
+  return {
+    repos,
+    reposByName,
+    selectedRepo,
+    selectedRepoId,
+    addRepo,
+    removeRepo,
+  };
+});
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index db526f9..0ffa21f 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -17,6 +17,9 @@ importers:
 
   gdn-app:
     dependencies:
+      '@floating-ui/vue':
+        specifier: ^1.1.6
+        version: 1.1.6(vue@3.5.13(typescript@5.7.3))
       '@remixicon/vue':
         specifier: ^4.6.0
         version: 4.6.0(vue@3.5.13(typescript@5.7.3))
@@ -356,6 +359,18 @@ packages:
     cpu: [x64]
     os: [win32]
 
+  '@floating-ui/core@1.6.9':
+    resolution: {integrity: sha512-uMXCuQ3BItDUbAMhIXw7UPXRfAlOAvZzdK9BWpE60MCn+Svt3aLn9jsPTi/WNGlRUu2uI0v5S7JiIUsbsvh3fw==}
+
+  '@floating-ui/dom@1.6.13':
+    resolution: {integrity: sha512-umqzocjDgNRGTuO7Q8CU32dkHkECqI8ZdMZ5Swb6QAM0t5rnlrN3lGo1hdpscRd3WS8T6DKYK4ephgIH9iRh3w==}
+
+  '@floating-ui/utils@0.2.9':
+    resolution: {integrity: sha512-MDWhGtE+eHw5JW7lq4qhc5yRLS11ERl1c7Z6Xd0a58DozHES6EnNNwUWbMiG4J9Cgj053Bhk8zvlhFYKVhULwg==}
+
+  '@floating-ui/vue@1.1.6':
+    resolution: {integrity: sha512-XFlUzGHGv12zbgHNk5FN2mUB7ROul3oG2ENdTpWdE+qMFxyNxWSRmsoyhiEnpmabNm6WnUvR1OvJfUfN4ojC1A==}
+
   '@jridgewell/gen-mapping@0.3.8':
     resolution: {integrity: sha512-imAbBGkb+ebQyxKgzv5Hu2nmROxoDOXHh80evxdoXNOrvAnVx7zimzc1Oo5h9RlfV4vPXaE2iM5pOFbvOCClWA==}
     engines: {node: '>=6.0.0'}
@@ -1606,6 +1621,26 @@ snapshots:
   '@esbuild/win32-x64@0.24.2':
     optional: true
 
+  '@floating-ui/core@1.6.9':
+    dependencies:
+      '@floating-ui/utils': 0.2.9
+
+  '@floating-ui/dom@1.6.13':
+    dependencies:
+      '@floating-ui/core': 1.6.9
+      '@floating-ui/utils': 0.2.9
+
+  '@floating-ui/utils@0.2.9': {}
+
+  '@floating-ui/vue@1.1.6(vue@3.5.13(typescript@5.7.3))':
+    dependencies:
+      '@floating-ui/dom': 1.6.13
+      '@floating-ui/utils': 0.2.9
+      vue-demi: 0.14.10(vue@3.5.13(typescript@5.7.3))
+    transitivePeerDependencies:
+      - '@vue/composition-api'
+      - vue
+
   '@jridgewell/gen-mapping@0.3.8':
     dependencies:
       '@jridgewell/set-array': 1.2.1