diff --git a/src/main/ipc/modules.ts b/src/main/ipc/modules.ts
index 983f133..727c69d 100644
--- a/src/main/ipc/modules.ts
+++ b/src/main/ipc/modules.ts
@@ -1,10 +1,11 @@
 import { dialog, ipcMain } from 'electron'
 import { getProjectRoot, listInstalledModules, listModules, scaffoldApplicationModule, setModule } from '../auroraEngine'
 import { runCommandStreamed } from '../commandRunner'
-import { installModulePackage, uninstallModulePackage } from '../moduleRegistry'
+import { getAvailableModulePackages, installModulePackage, uninstallModulePackage } from '../moduleRegistry'
 
 export function registerModulesIpc(): void {
   ipcMain.handle('modules:listRegistry', () => listModules())
+  ipcMain.handle('modules:listAvailable', () => getAvailableModulePackages())
   ipcMain.handle('modules:pickAndInstallPackage', async () => {
     const picked = await dialog.showOpenDialog({ properties: ['openDirectory'] })
     if (picked.canceled || !picked.filePaths[0]) return null
diff --git a/src/main/moduleRegistry.test.ts b/src/main/moduleRegistry.test.ts
index c2f43d9..e6e03c7 100644
--- a/src/main/moduleRegistry.test.ts
+++ b/src/main/moduleRegistry.test.ts
@@ -3,8 +3,8 @@ import { join } from 'path'
 import { tmpdir } from 'os'
 import { afterEach, describe, expect, it, vi } from 'vitest'
 
-vi.mock('electron', () => ({ app: { getPath: () => '/unused' } }))
-import { getModuleRegistry, installModulePackage, uninstallModulePackage, validateModuleManifest } from './moduleRegistry'
+vi.mock('electron', () => ({ app: { getPath: () => '/unused', getAppPath: () => '/unused/app' } }))
+import { getAvailableModulePackages, getModuleRegistry, installModulePackage, uninstallModulePackage, validateModuleManifest } from './moduleRegistry'
 
 const roots: string[] = []
 async function temp(prefix: string): Promise<string> { const root = await mkdtemp(join(tmpdir(), prefix)); roots.push(root); return root }
@@ -15,6 +15,12 @@ afterEach(async () => { const { rm } = await import('fs/promises'); await Promis
 
 describe('external module registry', () => {
   it('starts empty', async () => expect(await getModuleRegistry(await temp('aurora-user-'))).toEqual([]))
+  it('lists discoverable packages for the module library', async () => {
+    const catalog = await temp('aurora-catalog-'); const source = join(catalog, 'sample-app'); await mkdir(source); await writeFile(join(source, 'manifest.json'), JSON.stringify(manifest))
+    process.env.AURORA_MODULE_PATH = catalog
+    expect((await getAvailableModulePackages()).map((item) => item.manifest.id)).toContain('sample-app')
+    delete process.env.AURORA_MODULE_PATH
+  })
   it('installs a valid local package and refreshes after install', async () => {
     const userData = await temp('aurora-user-'); const source = await packageDir()
     await installModulePackage(source, userData)
diff --git a/src/main/moduleRegistry.ts b/src/main/moduleRegistry.ts
index 840bd31..2acb92d 100644
--- a/src/main/moduleRegistry.ts
+++ b/src/main/moduleRegistry.ts
@@ -1,7 +1,7 @@
 import { app } from 'electron'
 import { cp, lstat, mkdir, readFile, readdir, realpath, rename, rm, stat } from 'fs/promises'
 import { basename, dirname, isAbsolute, join, relative, resolve, sep } from 'path'
-import type { AuroraModuleInstallResult, AuroraModuleManifest, AuroraModuleSetting } from '../shared/types'
+import type { AuroraAvailableModule, AuroraModuleInstallResult, AuroraModuleManifest, AuroraModuleSetting } from '../shared/types'
 
 export const CORE_VERSION = '2.0.0-alpha.24'
 export const MODULE_API_VERSION = '1.0.0'
@@ -78,6 +78,29 @@ export async function getModuleManifest(id: string): Promise<AuroraModuleManifes
 }
 export function invalidateModuleRegistry(): void { cache = null }
 
+function catalogDirectories(): string[] {
+  const configured = (process.env.AURORA_MODULE_PATH ?? '').split(process.platform === 'win32' ? ';' : ':').filter(Boolean)
+  const besideImage = process.env.APPIMAGE ? [join(dirname(process.env.APPIMAGE), 'modules')] : []
+  return [...configured, ...besideImage, join(process.cwd(), 'modules'), join(process.cwd(), 'packages'), join(app.getAppPath(), 'packages')]
+}
+
+export async function getAvailableModulePackages(): Promise<AuroraAvailableModule[]> {
+  const found = new Map<string, AuroraAvailableModule>()
+  for (const directory of catalogDirectories()) {
+    try {
+      for (const entry of await readdir(directory, { withFileTypes: true })) {
+        if (!entry.isDirectory()) continue
+        const sourcePath = join(directory, entry.name)
+        try {
+          const manifest = validateModuleManifest(JSON.parse(await readFile(join(sourcePath, 'manifest.json'), 'utf8')))
+          if (!found.has(manifest.id)) found.set(manifest.id, { manifest, sourcePath })
+        } catch { /* unrelated or incompatible package */ }
+      }
+    } catch { /* optional catalog directory */ }
+  }
+  return [...found.values()].sort((a, b) => a.manifest.name.localeCompare(b.manifest.name))
+}
+
 export async function installModulePackage(source: string, userData?: string): Promise<AuroraModuleInstallResult> {
   if (!isAbsolute(source)) throw new Error('Module package path must be absolute')
   if (!(await stat(source)).isDirectory()) throw new Error('Select an unpacked local module directory')
diff --git a/src/preload/index.ts b/src/preload/index.ts
index 6442ad8..cf2668f 100644
--- a/src/preload/index.ts
+++ b/src/preload/index.ts
@@ -2,6 +2,7 @@ import { contextBridge, ipcRenderer, type IpcRendererEvent } from 'electron'
 import { electronAPI } from '@electron-toolkit/preload'
 import type {
   AuroraInstalledModule,
+  AuroraAvailableModule,
   AuroraModuleInstallResult,
   AuroraModuleManifest,
   AuroraProjectDetail,
@@ -82,6 +83,7 @@ const api = {
   },
   modules: {
     listRegistry: (): Promise<AuroraModuleManifest[]> => ipcRenderer.invoke('modules:listRegistry'),
+    listAvailable: (): Promise<AuroraAvailableModule[]> => ipcRenderer.invoke('modules:listAvailable'),
     listInstalled: (name: string): Promise<AuroraInstalledModule[]> =>
       ipcRenderer.invoke('modules:listInstalled', name),
     pickAndInstallPackage: (): Promise<AuroraModuleInstallResult | null> =>
diff --git a/src/renderer/src/components/create/CreateProjectModal.tsx b/src/renderer/src/components/create/CreateProjectModal.tsx
index 3aedb5d..ded7ffb 100644
--- a/src/renderer/src/components/create/CreateProjectModal.tsx
+++ b/src/renderer/src/components/create/CreateProjectModal.tsx
@@ -12,7 +12,7 @@ import {
 } from 'lucide-react'
 import { useCreateProject } from '../../hooks/useCreateProject'
 import { useAppStore } from '../../stores/appStore'
-import { useInstallModulePackage, useModuleRegistry } from '../../hooks/useModules'
+import { useAvailableModules, useInstallAvailableModule, useInstallModulePackage, useModuleRegistry } from '../../hooks/useModules'
 import { GenericSetup } from './types/GenericSetup'
 import { ExternalModuleSetup } from './types/ExternalModuleSetup'
 import type { TypeSetupHandle } from './types/shared'
@@ -53,6 +53,8 @@ export function CreateProjectModal({ onClose }: { onClose: () => void }): React.
   const setupRef = useRef<TypeSetupHandle>(null)
   const { data: moduleRegistry = [] } = useModuleRegistry()
   const installPackage = useInstallModulePackage()
+  const installAvailable = useInstallAvailableModule()
+  const { data: availableModules = [], isLoading: availableLoading } = useAvailableModules()
   const applicationModules = moduleRegistry.filter((module) => module.category === 'application')
   const selectedModule = applicationModules.find((module) => module.id === projectType)
   const getTypeLabel = (type: string): string => applicationModules.find((module) => module.id === type)?.name ?? 'project'
@@ -262,7 +264,15 @@ export function CreateProjectModal({ onClose }: { onClose: () => void }): React.
                         </button>
                       )
                     })}
-                    {applicationModules.length === 0 && <div className="col-span-full rounded-xl border border-dashed border-amber-300 bg-amber-50 p-5 text-sm text-amber-900 dark:border-amber-400/30 dark:bg-amber-400/10 dark:text-amber-100"><p className="font-semibold">No application modules installed</p><p className="mt-1">Install a compatible local Aurora module package to create a project.</p><button type="button" onClick={() => installPackage.mutate()} className="mt-3 rounded-lg bg-cyan-600 px-3 py-2 font-semibold text-white">Install local module…</button></div>}
+                    {applicationModules.length === 0 && <div className="col-span-full rounded-xl border border-dashed border-amber-300 bg-amber-50 p-5 text-sm text-amber-900 dark:border-amber-400/30 dark:bg-amber-400/10 dark:text-amber-100">
+                      <p className="font-semibold">Available application modules</p>
+                      <p className="mt-1">Choose a module to add to Aurora.</p>
+                      <div className="mt-3 grid gap-2">
+                        {availableModules.filter((item) => item.manifest.category === 'application').map((item) => <div key={item.manifest.id} className="flex items-center justify-between gap-3 rounded-lg border border-amber-200 bg-white/70 p-3 dark:border-white/10 dark:bg-neutral-950/40"><div><p className="font-semibold">{item.manifest.name}</p><p className="text-xs opacity-75">{item.manifest.description} · v{item.manifest.version}</p></div><button type="button" disabled={installAvailable.isPending} onClick={() => installAvailable.mutate(item.sourcePath)} className="rounded-lg bg-cyan-600 px-3 py-2 font-semibold text-white disabled:opacity-50">{installAvailable.isPending ? 'Installing…' : 'Install'}</button></div>)}
+                        {!availableLoading && availableModules.filter((item) => item.manifest.category === 'application').length === 0 && <p className="rounded-lg bg-white/60 p-3 text-xs dark:bg-neutral-950/40">No packages were found beside Aurora.</p>}
+                      </div>
+                      <button type="button" onClick={() => installPackage.mutate()} className="mt-3 text-xs font-semibold underline underline-offset-2">Install from another folder…</button>
+                    </div>}
                   </div>
                 </div>
 
diff --git a/src/renderer/src/hooks/useModules.ts b/src/renderer/src/hooks/useModules.ts
index 6a7b094..a5be6af 100644
--- a/src/renderer/src/hooks/useModules.ts
+++ b/src/renderer/src/hooks/useModules.ts
@@ -1,5 +1,5 @@
 import { useMutation, useQuery, useQueryClient, type UseMutationResult, type UseQueryResult } from '@tanstack/react-query'
-import type { AuroraInstalledModule, AuroraModuleManifest } from '@shared/types'
+import type { AuroraAvailableModule, AuroraInstalledModule, AuroraModuleManifest } from '@shared/types'
 import { useTerminalStore } from '../stores/terminalStore'
 import { useStatusStore } from '../stores/statusStore'
 
@@ -9,6 +9,10 @@ export function useModuleRegistry(): UseQueryResult<AuroraModuleManifest[], Erro
   return useQuery({ queryKey: ['modules', 'registry'], queryFn: () => window.api.modules.listRegistry() })
 }
 
+export function useAvailableModules(): UseQueryResult<AuroraAvailableModule[], Error> {
+  return useQuery({ queryKey: ['modules', 'available'], queryFn: () => window.api.modules.listAvailable() })
+}
+
 export function useInstallModulePackage(): UseMutationResult<void, Error, void> {
   const queryClient = useQueryClient()
   return useMutation({
@@ -17,6 +21,17 @@ export function useInstallModulePackage(): UseMutationResult<void, Error, void>
   })
 }
 
+export function useInstallAvailableModule(): UseMutationResult<void, Error, string> {
+  const queryClient = useQueryClient()
+  return useMutation({
+    mutationFn: async (sourcePath) => { await window.api.modules.installPackage(sourcePath) },
+    onSuccess: async () => {
+      await queryClient.invalidateQueries({ queryKey: ['modules', 'registry'] })
+      await queryClient.invalidateQueries({ queryKey: ['modules', 'available'] })
+    }
+  })
+}
+
 export function useUninstallModulePackage(): UseMutationResult<void, Error, string> {
   const queryClient = useQueryClient()
   return useMutation({
diff --git a/src/shared/types.ts b/src/shared/types.ts
index de40509..18cf252 100644
--- a/src/shared/types.ts
+++ b/src/shared/types.ts
@@ -171,6 +171,11 @@ export interface AuroraModuleInstallResult {
   installedPath: string
 }
 
+export interface AuroraAvailableModule {
+  manifest: AuroraModuleManifest
+  sourcePath: string
+}
+
 export interface AuroraAddonRegistryEntry {
   title: string
   github_url: string