diff --git a/prototypes/docusaurus/src/constants/demos.ts b/prototypes/docusaurus/src/constants/demos.ts
index 9a0001c..32b6b95 100644
--- a/prototypes/docusaurus/src/constants/demos.ts
+++ b/prototypes/docusaurus/src/constants/demos.ts
@@ -19,6 +19,17 @@ export type Demo = {
 // Live demos lead so the homepage "See it running" section features apps that
 // are actually deployed; coming-soon demos follow and still appear on /examples.
 export const demos: Demo[] = [
+  {
+    id: 'flagship',
+    name: 'OSS flagship demo',
+    tagline:
+      'The OSS baseline React on Rails demo with Rails 8.1, React 19, SSR, Redux Toolkit, Shakapacker/Rspack, and ActiveRecord CRUD - no Pro or RSC required.',
+    repoUrl: 'https://github.com/shakacode/react-on-rails-demo-flagship',
+    demoUrl: 'https://flagship.reactonrails.com',
+    image: '/img/demos/flagship.webp',
+    category: 'flagship',
+    featured: true,
+  },
   {
     id: 'marketplace',
     name: 'Marketplace',
diff --git a/prototypes/docusaurus/src/pages/examples.tsx b/prototypes/docusaurus/src/pages/examples.tsx
index 1133012..9995d9d 100644
--- a/prototypes/docusaurus/src/pages/examples.tsx
+++ b/prototypes/docusaurus/src/pages/examples.tsx
@@ -16,7 +16,7 @@ const demoGroups: DemoGroup[] = [
   {
     category: 'flagship',
     eyebrow: 'Flagship demos',
-    heading: 'Production-style apps on React on Rails Pro, React 19, and RSC.',
+    heading: 'Full-stack apps from the OSS baseline to React on Rails Pro, React 19, and RSC.',
   },
   {
     category: 'starter',
diff --git a/prototypes/docusaurus/static/img/demos/flagship.webp b/prototypes/docusaurus/static/img/demos/flagship.webp
new file mode 100644
index 0000000..87094e0
Binary files /dev/null and b/prototypes/docusaurus/static/img/demos/flagship.webp differ