diff --git a/apps/frontend/package-lock.json b/apps/frontend/package-lock.json
index b64ae63..2e0e0e9 100644
--- a/apps/frontend/package-lock.json
+++ b/apps/frontend/package-lock.json
@@ -8,6 +8,7 @@
       "name": "ttglanding",
       "version": "0.0.1",
       "dependencies": {
+        "pinia": "^2.2.0",
         "vue": "^3.5.0",
         "vue-router": "^4.4.0"
       },
@@ -1402,6 +1403,28 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/pinia": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/pinia/-/pinia-2.3.1.tgz",
+      "integrity": "sha512-khUlZSwt9xXCaTbbxFYBKDc/bWAGWJjOgvxETwkTN7KRm66EeT1ZdZj6i2ceh9sP2Pzqsbc704r2yngBrxBVug==",
+      "license": "MIT",
+      "dependencies": {
+        "@vue/devtools-api": "^6.6.3",
+        "vue-demi": "^0.14.10"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/posva"
+      },
+      "peerDependencies": {
+        "typescript": ">=4.4.4",
+        "vue": "^2.7.0 || ^3.5.11"
+      },
+      "peerDependenciesMeta": {
+        "typescript": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/pirates": {
       "version": "4.0.7",
       "resolved": "https://registry.npmjs.org/pirates/-/pirates-4.0.7.tgz",
@@ -2486,6 +2509,32 @@
         }
       }
     },
+    "node_modules/vue-demi": {
+      "version": "0.14.10",
+      "resolved": "https://registry.npmjs.org/vue-demi/-/vue-demi-0.14.10.tgz",
+      "integrity": "sha512-nMZBOwuzabUO0nLgIcc6rycZEebF6eeUfaiQx9+WSk8e29IbLvPU9feI6tqW4kTo3hvoYAJkMh8n8D0fuISphg==",
+      "hasInstallScript": true,
+      "license": "MIT",
+      "bin": {
+        "vue-demi-fix": "bin/vue-demi-fix.js",
+        "vue-demi-switch": "bin/vue-demi-switch.js"
+      },
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/antfu"
+      },
+      "peerDependencies": {
+        "@vue/composition-api": "^1.0.0-rc.1",
+        "vue": "^3.0.0-0 || ^2.6.0"
+      },
+      "peerDependenciesMeta": {
+        "@vue/composition-api": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/vue-router": {
       "version": "4.6.4",
       "resolved": "https://registry.npmjs.org/vue-router/-/vue-router-4.6.4.tgz",
diff --git a/apps/frontend/package.json b/apps/frontend/package.json
index 7d8f21f..e24e444 100644
--- a/apps/frontend/package.json
+++ b/apps/frontend/package.json
@@ -8,6 +8,7 @@
     "preview": "vite preview"
   },
   "dependencies": {
+    "pinia": "^2.2.0",
     "vue": "^3.5.0",
     "vue-router": "^4.4.0"
   },
diff --git a/apps/frontend/src/layout/AppLayout.vue b/apps/frontend/src/layout/AppLayout.vue
index b85bf78..a853467 100644
--- a/apps/frontend/src/layout/AppLayout.vue
+++ b/apps/frontend/src/layout/AppLayout.vue
@@ -46,35 +46,18 @@
 </template>
 
 <script setup lang="ts">
-import { ref, watch } from 'vue'
+import { watch } from 'vue'
+import { storeToRefs } from 'pinia'
 import { RouterLink, useRoute } from 'vue-router'
+import { useUiStore } from '../stores/ui.store'
 
-function getCookie(name: string): string | null {
-  const match = document.cookie.match(new RegExp('(?:^|; )' + name + '=([^;]*)'))
-  return match ? decodeURIComponent(match[1]) : null
-}
-
-function setCookie(name: string, value: string, days = 365) {
-  const expires = new Date(Date.now() + days * 864e5).toUTCString()
-  document.cookie = `${name}=${encodeURIComponent(value)};expires=${expires};path=/`
-}
-
-const menuOpen = ref(false)
+const ui = useUiStore()
+const { isRetroMode, menuOpen } = storeToRefs(ui)
+const { toggleMenu, toggleRetroMode } = ui
 const route = useRoute()
-const isRetroMode = ref(getCookie('retro-mode') === '1')
-
-function toggleMenu() {
-  menuOpen.value = !menuOpen.value
-}
-
-function toggleRetroMode() {
-  isRetroMode.value = !isRetroMode.value
-  setCookie('retro-mode', isRetroMode.value ? '1' : '0')
-  window.scrollTo({ top: 0, behavior: 'instant' })
-}
 
 watch(() => route.path, () => {
-  menuOpen.value = false
+  ui.closeMenu()
 })
 </script>
 
diff --git a/apps/frontend/src/main.ts b/apps/frontend/src/main.ts
index d4d617f..3c3d2aa 100644
--- a/apps/frontend/src/main.ts
+++ b/apps/frontend/src/main.ts
@@ -1,7 +1,8 @@
 import { createApp } from 'vue'
+import { createPinia } from 'pinia'
 import { router } from './router/index.router'
 import App from './App.vue'
 import './styles/global.css'
 import './styles/retro.css'
 
-createApp(App).use(router).mount('#app')
+createApp(App).use(createPinia()).use(router).mount('#app')
diff --git a/apps/frontend/src/page/blog/BlogIndexPage.vue b/apps/frontend/src/page/blog/BlogIndexPage.vue
index 2820a5a..c0264ef 100644
--- a/apps/frontend/src/page/blog/BlogIndexPage.vue
+++ b/apps/frontend/src/page/blog/BlogIndexPage.vue
@@ -74,39 +74,17 @@
 </template>
 
 <script setup lang="ts">
-import { ref, onMounted } from 'vue'
+import { onMounted } from 'vue'
+import { storeToRefs } from 'pinia'
 import { RouterLink } from 'vue-router'
 import { formatDateTime } from '../../lib/dateFormat'
-import wikiApi from '../../api/wiki.api'
-import type { WikiPageWithContent } from '../../lib/interfaces/wiki.interface'
+import { useBlogStore } from '../../stores/blog.store'
 
-const blogPages = ref<WikiPageWithContent[]>([])
-const error = ref<string | null>(null)
-const loading = ref(true)
+const store = useBlogStore()
+const { pages: blogPages, loading, error } = storeToRefs(store)
+const { isNew, getPermalink, getCleanPreview } = store
 
-function isNew(createdAt: string): boolean {
-  return (new Date().getTime() - new Date(createdAt).getTime()) < 7 * 24 * 60 * 60 * 1000
-}
-
-function getPermalink(path: string): string {
-  const slug = path.startsWith('blog/') ? path.replace('blog/', '') : path
-  return `/blog/${slug}`
-}
-
-function getCleanPreview(content: string): string {
-  if (!content) return ''
-  return content.replace(/[#*`_\[\]()]/g, '').trim().slice(0, 300) + '...'
-}
-
-onMounted(async () => {
-  try {
-    blogPages.value = await wikiApi.listBlogPages()
-  } catch (e: any) {
-    error.value = `Failed to fetch wiki data: ${e.message}`
-  } finally {
-    loading.value = false
-  }
-})
+onMounted(() => store.fetchPages())
 </script>
 
 <style scoped>
diff --git a/apps/frontend/src/page/blog/BlogShowPage.vue b/apps/frontend/src/page/blog/BlogShowPage.vue
index 8966a6c..5dec89e 100644
--- a/apps/frontend/src/page/blog/BlogShowPage.vue
+++ b/apps/frontend/src/page/blog/BlogShowPage.vue
@@ -40,32 +40,17 @@
 </template>
 
 <script setup lang="ts">
-import { ref, onMounted } from 'vue'
+import { onMounted } from 'vue'
+import { storeToRefs } from 'pinia'
 import { RouterLink, useRoute } from 'vue-router'
 import { formatDateTime } from '../../lib/dateFormat'
-import wikiApi from '../../api/wiki.api'
-import type { WikiPageContent } from '../../lib/interfaces/wiki.interface'
+import { useBlogStore } from '../../stores/blog.store'
 
 const route = useRoute()
-const pageContent = ref<WikiPageContent | null>(null)
-const error = ref<string | null>(null)
-const loading = ref(true)
+const store = useBlogStore()
+const { currentPage: pageContent, currentPageLoading: loading, currentPageError: error } = storeToRefs(store)
 
-onMounted(async () => {
-  const slug = route.params.slug as string
-  try {
-    const result = await wikiApi.getBlogPage(slug)
-    if (result) {
-      pageContent.value = result
-    } else {
-      error.value = 'Post not found'
-    }
-  } catch (e: any) {
-    error.value = e.message
-  } finally {
-    loading.value = false
-  }
-})
+onMounted(() => store.fetchPage(route.params.slug as string))
 </script>
 
 <style scoped>
diff --git a/apps/frontend/src/page/catalog/CatalogIndexPage.vue b/apps/frontend/src/page/catalog/CatalogIndexPage.vue
index 8be8676..631d9e7 100644
--- a/apps/frontend/src/page/catalog/CatalogIndexPage.vue
+++ b/apps/frontend/src/page/catalog/CatalogIndexPage.vue
@@ -62,27 +62,18 @@
 
 <script setup lang="ts">
 import { ref, onMounted } from 'vue'
+import { storeToRefs } from 'pinia'
 import { RouterLink } from 'vue-router'
-import softwareApi from '../../api/software.api'
-import type { Release, SoftwareEntry } from '../../lib/interfaces/software.interface'
+import { useSoftwareStore } from '../../stores/software.store'
 
 const filters = ['all', 'released', 'demo', 'development', 'archived']
 const activeFilter = ref('released')
-const softwares = ref<SoftwareEntry[]>([])
 
-function getLatestStable(releases: Release[]): Release {
-  return releases
-    .filter(r => !r.version.startsWith('dev-'))
-    .sort((a, b) => new Date(b.UpdatedAt).getTime() - new Date(a.UpdatedAt).getTime())[0]
-}
+const store = useSoftwareStore()
+const { items: softwares } = storeToRefs(store)
+const { getLatestStable } = store
 
-onMounted(async () => {
-  try {
-    softwares.value = await softwareApi.index()
-  } catch (e) {
-    console.error('Failed to load catalog:', e)
-  }
-})
+onMounted(() => store.fetchAll())
 </script>
 
 <style scoped>
diff --git a/apps/frontend/src/page/catalog/CatalogShowPage.vue b/apps/frontend/src/page/catalog/CatalogShowPage.vue
index 8b83e25..7e951e7 100644
--- a/apps/frontend/src/page/catalog/CatalogShowPage.vue
+++ b/apps/frontend/src/page/catalog/CatalogShowPage.vue
@@ -170,10 +170,12 @@
 import { ref, computed, onMounted } from 'vue'
 import { RouterLink, useRoute } from 'vue-router'
 import { formatDateTime } from '../../lib/dateFormat'
-import softwareApi from '../../api/software.api'
+import { useSoftwareStore } from '../../stores/software.store'
 import type { Release, Software } from '../../lib/interfaces/software.interface'
 
 const route = useRoute()
+const store = useSoftwareStore()
+
 const software = ref<Software | null>(null)
 const releases = ref<Release[]>([])
 const error = ref<string | null>(null)
@@ -195,8 +197,8 @@ const latestStable = computed(() => stableReleases.value[0] ?? null)
 
 onMounted(async () => {
   try {
-    const all = await softwareApi.index()
-    const item = all.find(s => s.software.name === route.params.name)
+    await store.fetchAll()
+    const item = store.findByName(route.params.name as string)
     if (item) {
       software.value = item.software
       releases.value = item.releases
diff --git a/apps/frontend/src/page/code/CodeIndexPage.vue b/apps/frontend/src/page/code/CodeIndexPage.vue
index 25a4e61..7b81585 100644
--- a/apps/frontend/src/page/code/CodeIndexPage.vue
+++ b/apps/frontend/src/page/code/CodeIndexPage.vue
@@ -59,30 +59,15 @@
 </template>
 
 <script setup lang="ts">
-import { ref, onMounted } from 'vue'
+import { onMounted } from 'vue'
+import { storeToRefs } from 'pinia'
 import { formatDateTime } from '../../lib/dateFormat'
-import gitApi from '../../api/git.api'
-import type { GiteaRepo, Commit } from '../../lib/interfaces/git.interface'
+import { useGitStore } from '../../stores/git.store'
 
-const publicRepos = ref<GiteaRepo[]>([])
-const recentCommits = ref<Commit[]>([])
-const error = ref<string | null>(null)
+const store = useGitStore()
+const { repos: publicRepos, commits: recentCommits, error } = storeToRefs(store)
 
-onMounted(async () => {
-  try {
-    publicRepos.value = await gitApi.repos()
-
-    const commitPromises = publicRepos.value.map(repo =>
-      gitApi.commits(repo.owner.login, repo.name, repo.html_url)
-    )
-
-    const all = (await Promise.all(commitPromises)).flat()
-    all.sort((a, b) => new Date(b.date).getTime() - new Date(a.date).getTime())
-    recentCommits.value = all.slice(0, 20)
-  } catch (e: any) {
-    error.value = e.message
-  }
-})
+onMounted(() => store.fetchAll())
 </script>
 
 <style scoped>
diff --git a/apps/frontend/src/page/home/HomePage.vue b/apps/frontend/src/page/home/HomePage.vue
index 5641986..b727cdf 100644
--- a/apps/frontend/src/page/home/HomePage.vue
+++ b/apps/frontend/src/page/home/HomePage.vue
@@ -187,109 +187,29 @@
 </template>
 
 <script setup lang="ts">
-import { ref, onMounted, onUnmounted } from 'vue'
+import { onMounted, onUnmounted } from 'vue'
+import { storeToRefs } from 'pinia'
 import { RouterLink } from 'vue-router'
-import { formatDateTime } from '../../lib/dateFormat'
-import eventApi from '../../api/event.api'
-import softwareApi from '../../api/software.api'
-import youtubeApi from '../../api/youtube.api'
-import type { Event } from '../../lib/interfaces/event.interface'
-import type { SoftwareEntry, Release } from '../../lib/interfaces/software.interface'
+import { useEventStore } from '../../stores/event.store'
+import { useSoftwareStore } from '../../stores/software.store'
+import { useYoutubeStore } from '../../stores/youtube.store'
 
-const nextEvent = ref<(Event & { dateISO: string; dateText: string }) | null>(null)
-const followingEvents = ref<(Event & { dateText: string })[]>([])
-const highlightedSoftware = ref<SoftwareEntry | null>(null)
-const highlightedStableRelease = ref<Release | null>(null)
-const countdownText = ref('-- : -- : -- : --')
+const eventStore = useEventStore()
+const { nextEvent, followingEvents, countdownText } = storeToRefs(eventStore)
 
-const ytState = ref<'loading' | 'loaded' | 'error' | 'no-config'>('loading')
-const ytVideoId = ref('')
-const ytTitle = ref('')
-const ytPublishDate = ref('')
-const ytViewCount = ref('')
-const ytError = ref('')
+const softwareStore = useSoftwareStore()
+const { highlighted: highlightedSoftware, highlightedStableRelease } = storeToRefs(softwareStore)
 
-let countdownInterval: ReturnType<typeof setInterval> | null = null
+const ytStore = useYoutubeStore()
+const { state: ytState, videoId: ytVideoId, title: ytTitle, publishDate: ytPublishDate, viewCount: ytViewCount, error: ytError } = storeToRefs(ytStore)
 
-function startCountdown(targetISO: string) {
-  const targetDate = new Date(targetISO).getTime()
-
-  function update() {
-    const distance = targetDate - Date.now()
-    if (distance < 0) {
-      countdownText.value = 'LIVE NOW!'
-      if (countdownInterval) clearInterval(countdownInterval)
-      return
-    }
-    const d = String(Math.floor(distance / 86400000)).padStart(2, '0')
-    const h = String(Math.floor((distance % 86400000) / 3600000)).padStart(2, '0')
-    const m = String(Math.floor((distance % 3600000) / 60000)).padStart(2, '0')
-    const s = String(Math.floor((distance % 60000) / 1000)).padStart(2, '0')
-    countdownText.value = `${d}d ${h}h ${m}m ${s}s`
-  }
-
-  update()
-  countdownInterval = setInterval(update, 1000)
-}
-
-function formatYtDate(iso: string): string {
-  const d = new Date(iso)
-  return `${d.getFullYear()}-${String(d.getMonth() + 1).padStart(2, '0')}-${String(d.getDate()).padStart(2, '0')} ${String(d.getHours()).padStart(2, '0')}:${String(d.getMinutes()).padStart(2, '0')}`
-}
-
-function formatViews(n: number): string {
-  if (n >= 1_000_000) return (n / 1_000_000).toFixed(1) + 'M views'
-  if (n >= 1_000) return Math.round(n / 1_000) + 'K views'
-  return n + ' views'
-}
-
-onMounted(async () => {
-  try {
-    const events = await eventApi.index()
-    if (events.length > 0) {
-      const first = events[0]
-      const firstDate = new Date(first.date)
-      nextEvent.value = { name: first.name, date: first.date, dateISO: firstDate.toISOString(), dateText: formatDateTime(firstDate) }
-      followingEvents.value = events.slice(1).map(e => ({ name: e.name, date: e.date, dateText: formatDateTime(new Date(e.date)) }))
-      startCountdown(firstDate.toISOString())
-    }
-  } catch (e) {
-    console.error('Failed to load events:', e)
-  }
-
-  try {
-    const data = await softwareApi.highlighted()
-    highlightedSoftware.value = data
-    if (data?.releases) {
-      const stable = data.releases
-        .filter((r: Release) => !r.version.startsWith('dev-'))
-        .sort((a: Release, b: Release) => new Date(b.UpdatedAt).getTime() - new Date(a.UpdatedAt).getTime())
-      highlightedStableRelease.value = stable[0] ?? null
-    }
-  } catch (e) {
-    console.error('Failed to fetch highlighted software:', e)
-  }
-
-  try {
-    const video = await youtubeApi.latestVideo()
-    if (!video) {
-      ytState.value = 'no-config'
-      return
-    }
-    ytVideoId.value = video.id
-    ytTitle.value = video.title
-    ytPublishDate.value = formatYtDate(video.publishDate)
-    ytViewCount.value = video.viewCount ? formatViews(Number(video.viewCount)) : ''
-    ytState.value = 'loaded'
-  } catch (err: any) {
-    ytError.value = 'Error loading video: ' + err.message
-    ytState.value = 'error'
-  }
+onMounted(() => {
+  eventStore.fetch()
+  softwareStore.fetchHighlighted()
+  ytStore.fetchLatest()
 })
 
-onUnmounted(() => {
-  if (countdownInterval) clearInterval(countdownInterval)
-})
+onUnmounted(() => eventStore.cleanup())
 </script>
 
 <style scoped>
diff --git a/apps/frontend/src/page/howtos/HowtosIndexPage.vue b/apps/frontend/src/page/howtos/HowtosIndexPage.vue
index 35e21e4..cc9de72 100644
--- a/apps/frontend/src/page/howtos/HowtosIndexPage.vue
+++ b/apps/frontend/src/page/howtos/HowtosIndexPage.vue
@@ -78,28 +78,17 @@
 </template>
 
 <script setup lang="ts">
-import { ref, onMounted } from 'vue'
+import { onMounted } from 'vue'
+import { storeToRefs } from 'pinia'
 import { formatDateTime } from '../../lib/dateFormat'
-import wikiApi, { WIKI_BASE } from '../../api/wiki.api'
-import type { WikiPage } from '../../lib/interfaces/wiki.interface'
+import { WIKI_BASE } from '../../api/wiki.api'
+import { useHowtosStore } from '../../stores/howtos.store'
 
-const recentPages = ref<WikiPage[]>([])
-const error = ref<string | null>(null)
-const loading = ref(true)
+const store = useHowtosStore()
+const { pages: recentPages, loading, error } = storeToRefs(store)
+const { isNew } = store
 
-function isNew(createdAt: string): boolean {
-  return (new Date().getTime() - new Date(createdAt).getTime()) < 7 * 24 * 60 * 60 * 1000
-}
-
-onMounted(async () => {
-  try {
-    recentPages.value = await wikiApi.listHowtoPages()
-  } catch (e: any) {
-    error.value = `Failed to fetch wiki data: ${e.message}`
-  } finally {
-    loading.value = false
-  }
-})
+onMounted(() => store.fetchPages())
 </script>
 
 <style scoped>
diff --git a/apps/frontend/src/page/team/TeamIndexPage.vue b/apps/frontend/src/page/team/TeamIndexPage.vue
index 934ec40..2a4fd69 100644
--- a/apps/frontend/src/page/team/TeamIndexPage.vue
+++ b/apps/frontend/src/page/team/TeamIndexPage.vue
@@ -24,24 +24,15 @@
 </template>
 
 <script setup lang="ts">
-import { ref, onMounted } from 'vue'
-import memberApi from '../../api/member.api'
-import type { Member } from '../../lib/interfaces/member.interface'
+import { onMounted } from 'vue'
+import { storeToRefs } from 'pinia'
+import { useMemberStore } from '../../stores/member.store'
 
-const members = ref<Member[]>([])
+const store = useMemberStore()
+const { members } = storeToRefs(store)
+const { resolvedAvatarUrl } = store
 
-function resolvedAvatarUrl(member: Member): string {
-  if (member.image_url) return member.image_url
-  return new URL(`../../assets/team/${member.avatar_filename}`, import.meta.url).href
-}
-
-onMounted(async () => {
-  try {
-    members.value = await memberApi.index()
-  } catch (e) {
-    console.error('Failed to load team members:', e)
-  }
-})
+onMounted(() => store.fetch())
 </script>
 
 <style scoped>
diff --git a/apps/frontend/src/stores/blog.store.ts b/apps/frontend/src/stores/blog.store.ts
new file mode 100644
index 0000000..d61d5bf
--- /dev/null
+++ b/apps/frontend/src/stores/blog.store.ts
@@ -0,0 +1,63 @@
+import { defineStore } from 'pinia'
+import { ref } from 'vue'
+import wikiApi from '../api/wiki.api'
+import type { WikiPageWithContent, WikiPageContent } from '../lib/interfaces/wiki.interface'
+
+export const useBlogStore = defineStore('blog', () => {
+  const pages = ref<WikiPageWithContent[]>([])
+  const loading = ref(false)
+  const error = ref<string | null>(null)
+
+  const currentPage = ref<WikiPageContent | null>(null)
+  const currentPageLoading = ref(false)
+  const currentPageError = ref<string | null>(null)
+
+  let _loaded = false
+
+  async function fetchPages() {
+    if (_loaded) return
+    loading.value = true
+    try {
+      pages.value = await wikiApi.listBlogPages()
+      _loaded = true
+    } catch (e: any) {
+      error.value = `Failed to fetch wiki data: ${e.message}`
+    } finally {
+      loading.value = false
+    }
+  }
+
+  async function fetchPage(slug: string) {
+    currentPage.value = null
+    currentPageError.value = null
+    currentPageLoading.value = true
+    try {
+      const result = await wikiApi.getBlogPage(slug)
+      if (result) {
+        currentPage.value = result
+      } else {
+        currentPageError.value = 'Post not found'
+      }
+    } catch (e: any) {
+      currentPageError.value = e.message
+    } finally {
+      currentPageLoading.value = false
+    }
+  }
+
+  function isNew(createdAt: string): boolean {
+    return (new Date().getTime() - new Date(createdAt).getTime()) < 7 * 24 * 60 * 60 * 1000
+  }
+
+  function getPermalink(path: string): string {
+    const slug = path.startsWith('blog/') ? path.replace('blog/', '') : path
+    return `/blog/${slug}`
+  }
+
+  function getCleanPreview(content: string): string {
+    if (!content) return ''
+    return content.replace(/[#*`_\[\]()]/g, '').trim().slice(0, 300) + '...'
+  }
+
+  return { pages, loading, error, currentPage, currentPageLoading, currentPageError, fetchPages, fetchPage, isNew, getPermalink, getCleanPreview }
+})
diff --git a/apps/frontend/src/stores/event.store.ts b/apps/frontend/src/stores/event.store.ts
new file mode 100644
index 0000000..24d80c7
--- /dev/null
+++ b/apps/frontend/src/stores/event.store.ts
@@ -0,0 +1,61 @@
+import { defineStore } from 'pinia'
+import { ref } from 'vue'
+import eventApi from '../api/event.api'
+import { formatDateTime } from '../lib/dateFormat'
+import type { Event } from '../lib/interfaces/event.interface'
+
+type EventWithText = Event & { dateISO: string; dateText: string }
+type FollowingEvent = Event & { dateText: string }
+
+export const useEventStore = defineStore('event', () => {
+  const nextEvent = ref<EventWithText | null>(null)
+  const followingEvents = ref<FollowingEvent[]>([])
+  const countdownText = ref('-- : -- : -- : --')
+
+  let countdownInterval: ReturnType<typeof setInterval> | null = null
+
+  function startCountdown(targetISO: string) {
+    const targetDate = new Date(targetISO).getTime()
+
+    function update() {
+      const distance = targetDate - Date.now()
+      if (distance < 0) {
+        countdownText.value = 'LIVE NOW!'
+        if (countdownInterval) clearInterval(countdownInterval)
+        return
+      }
+      const d = String(Math.floor(distance / 86400000)).padStart(2, '0')
+      const h = String(Math.floor((distance % 86400000) / 3600000)).padStart(2, '0')
+      const m = String(Math.floor((distance % 3600000) / 60000)).padStart(2, '0')
+      const s = String(Math.floor((distance % 60000) / 1000)).padStart(2, '0')
+      countdownText.value = `${d}d ${h}h ${m}m ${s}s`
+    }
+
+    update()
+    countdownInterval = setInterval(update, 1000)
+  }
+
+  async function fetch() {
+    try {
+      const events = await eventApi.index()
+      if (events.length > 0) {
+        const first = events[0]
+        const firstDate = new Date(first.date)
+        nextEvent.value = { name: first.name, date: first.date, dateISO: firstDate.toISOString(), dateText: formatDateTime(firstDate) }
+        followingEvents.value = events.slice(1).map(e => ({ name: e.name, date: e.date, dateText: formatDateTime(new Date(e.date)) }))
+        startCountdown(firstDate.toISOString())
+      }
+    } catch (e) {
+      console.error('Failed to load events:', e)
+    }
+  }
+
+  function cleanup() {
+    if (countdownInterval) {
+      clearInterval(countdownInterval)
+      countdownInterval = null
+    }
+  }
+
+  return { nextEvent, followingEvents, countdownText, fetch, cleanup }
+})
diff --git a/apps/frontend/src/stores/git.store.ts b/apps/frontend/src/stores/git.store.ts
new file mode 100644
index 0000000..5ec28ae
--- /dev/null
+++ b/apps/frontend/src/stores/git.store.ts
@@ -0,0 +1,28 @@
+import { defineStore } from 'pinia'
+import { ref } from 'vue'
+import gitApi from '../api/git.api'
+import type { GiteaRepo, Commit } from '../lib/interfaces/git.interface'
+
+export const useGitStore = defineStore('git', () => {
+  const repos = ref<GiteaRepo[]>([])
+  const commits = ref<Commit[]>([])
+  const error = ref<string | null>(null)
+
+  async function fetchAll() {
+    try {
+      repos.value = await gitApi.repos()
+
+      const commitPromises = repos.value.map(repo =>
+        gitApi.commits(repo.owner.login, repo.name, repo.html_url)
+      )
+
+      const all = (await Promise.all(commitPromises)).flat()
+      all.sort((a, b) => new Date(b.date).getTime() - new Date(a.date).getTime())
+      commits.value = all.slice(0, 20)
+    } catch (e: any) {
+      error.value = e.message
+    }
+  }
+
+  return { repos, commits, error, fetchAll }
+})
diff --git a/apps/frontend/src/stores/howtos.store.ts b/apps/frontend/src/stores/howtos.store.ts
new file mode 100644
index 0000000..1dede72
--- /dev/null
+++ b/apps/frontend/src/stores/howtos.store.ts
@@ -0,0 +1,30 @@
+import { defineStore } from 'pinia'
+import { ref } from 'vue'
+import wikiApi from '../api/wiki.api'
+import type { WikiPage } from '../lib/interfaces/wiki.interface'
+
+export const useHowtosStore = defineStore('howtos', () => {
+  const pages = ref<WikiPage[]>([])
+  const loading = ref(false)
+  const error = ref<string | null>(null)
+  let _loaded = false
+
+  async function fetchPages() {
+    if (_loaded) return
+    loading.value = true
+    try {
+      pages.value = await wikiApi.listHowtoPages()
+      _loaded = true
+    } catch (e: any) {
+      error.value = `Failed to fetch wiki data: ${e.message}`
+    } finally {
+      loading.value = false
+    }
+  }
+
+  function isNew(createdAt: string): boolean {
+    return (new Date().getTime() - new Date(createdAt).getTime()) < 7 * 24 * 60 * 60 * 1000
+  }
+
+  return { pages, loading, error, fetchPages, isNew }
+})
diff --git a/apps/frontend/src/stores/member.store.ts b/apps/frontend/src/stores/member.store.ts
new file mode 100644
index 0000000..4f690a6
--- /dev/null
+++ b/apps/frontend/src/stores/member.store.ts
@@ -0,0 +1,26 @@
+import { defineStore } from 'pinia'
+import { ref } from 'vue'
+import memberApi from '../api/member.api'
+import type { Member } from '../lib/interfaces/member.interface'
+
+export const useMemberStore = defineStore('member', () => {
+  const members = ref<Member[]>([])
+  let _loaded = false
+
+  async function fetch() {
+    if (_loaded) return
+    try {
+      members.value = await memberApi.index()
+      _loaded = true
+    } catch (e) {
+      console.error('Failed to load team members:', e)
+    }
+  }
+
+  function resolvedAvatarUrl(member: Member): string {
+    if (member.image_url) return member.image_url
+    return new URL(`../assets/team/${member.avatar_filename}`, import.meta.url).href
+  }
+
+  return { members, fetch, resolvedAvatarUrl }
+})
diff --git a/apps/frontend/src/stores/software.store.ts b/apps/frontend/src/stores/software.store.ts
new file mode 100644
index 0000000..e506704
--- /dev/null
+++ b/apps/frontend/src/stores/software.store.ts
@@ -0,0 +1,53 @@
+import { defineStore } from 'pinia'
+import { ref, computed } from 'vue'
+import softwareApi from '../api/software.api'
+import type { SoftwareEntry, Release } from '../lib/interfaces/software.interface'
+
+export const useSoftwareStore = defineStore('software', () => {
+  const items = ref<SoftwareEntry[]>([])
+  const highlighted = ref<SoftwareEntry | null>(null)
+  const loading = ref(false)
+  const error = ref<string | null>(null)
+  let _loaded = false
+
+  const highlightedStableRelease = computed(() => {
+    if (!highlighted.value?.releases) return null
+    const stable = highlighted.value.releases
+      .filter((r: Release) => !r.version.startsWith('dev-'))
+      .sort((a: Release, b: Release) => new Date(b.UpdatedAt).getTime() - new Date(a.UpdatedAt).getTime())
+    return stable[0] ?? null
+  })
+
+  async function fetchAll() {
+    if (_loaded) return
+    loading.value = true
+    try {
+      items.value = await softwareApi.index()
+      _loaded = true
+    } catch (e: any) {
+      error.value = e.message
+    } finally {
+      loading.value = false
+    }
+  }
+
+  async function fetchHighlighted() {
+    try {
+      highlighted.value = await softwareApi.highlighted()
+    } catch (e) {
+      console.error('Failed to fetch highlighted software:', e)
+    }
+  }
+
+  function findByName(name: string): SoftwareEntry | undefined {
+    return items.value.find(s => s.software.name === name)
+  }
+
+  function getLatestStable(releases: Release[]): Release {
+    return releases
+      .filter(r => !r.version.startsWith('dev-'))
+      .sort((a, b) => new Date(b.UpdatedAt).getTime() - new Date(a.UpdatedAt).getTime())[0]
+  }
+
+  return { items, highlighted, loading, error, highlightedStableRelease, fetchAll, fetchHighlighted, findByName, getLatestStable }
+})
diff --git a/apps/frontend/src/stores/ui.store.ts b/apps/frontend/src/stores/ui.store.ts
new file mode 100644
index 0000000..d0a26fc
--- /dev/null
+++ b/apps/frontend/src/stores/ui.store.ts
@@ -0,0 +1,33 @@
+import { defineStore } from 'pinia'
+import { ref } from 'vue'
+
+function getCookie(name: string): string | null {
+  const match = document.cookie.match(new RegExp('(?:^|; )' + name + '=([^;]*)'))
+  return match ? decodeURIComponent(match[1]) : null
+}
+
+function setCookie(name: string, value: string, days = 365) {
+  const expires = new Date(Date.now() + days * 864e5).toUTCString()
+  document.cookie = `${name}=${encodeURIComponent(value)};expires=${expires};path=/`
+}
+
+export const useUiStore = defineStore('ui', () => {
+  const isRetroMode = ref(getCookie('retro-mode') === '1')
+  const menuOpen = ref(false)
+
+  function toggleRetroMode() {
+    isRetroMode.value = !isRetroMode.value
+    setCookie('retro-mode', isRetroMode.value ? '1' : '0')
+    window.scrollTo({ top: 0, behavior: 'instant' })
+  }
+
+  function toggleMenu() {
+    menuOpen.value = !menuOpen.value
+  }
+
+  function closeMenu() {
+    menuOpen.value = false
+  }
+
+  return { isRetroMode, menuOpen, toggleRetroMode, toggleMenu, closeMenu }
+})
diff --git a/apps/frontend/src/stores/youtube.store.ts b/apps/frontend/src/stores/youtube.store.ts
new file mode 100644
index 0000000..e1246c5
--- /dev/null
+++ b/apps/frontend/src/stores/youtube.store.ts
@@ -0,0 +1,44 @@
+import { defineStore } from 'pinia'
+import { ref } from 'vue'
+import youtubeApi from '../api/youtube.api'
+
+export const useYoutubeStore = defineStore('youtube', () => {
+  const state = ref<'loading' | 'loaded' | 'error' | 'no-config'>('loading')
+  const videoId = ref('')
+  const title = ref('')
+  const publishDate = ref('')
+  const viewCount = ref('')
+  const error = ref('')
+
+  function formatDate(iso: string): string {
+    const d = new Date(iso)
+    return `${d.getFullYear()}-${String(d.getMonth() + 1).padStart(2, '0')}-${String(d.getDate()).padStart(2, '0')} ${String(d.getHours()).padStart(2, '0')}:${String(d.getMinutes()).padStart(2, '0')}`
+  }
+
+  function formatViews(n: number): string {
+    if (n >= 1_000_000) return (n / 1_000_000).toFixed(1) + 'M views'
+    if (n >= 1_000) return Math.round(n / 1_000) + 'K views'
+    return n + ' views'
+  }
+
+  async function fetchLatest() {
+    state.value = 'loading'
+    try {
+      const video = await youtubeApi.latestVideo()
+      if (!video) {
+        state.value = 'no-config'
+        return
+      }
+      videoId.value = video.id
+      title.value = video.title
+      publishDate.value = formatDate(video.publishDate)
+      viewCount.value = video.viewCount ? formatViews(Number(video.viewCount)) : ''
+      state.value = 'loaded'
+    } catch (err: any) {
+      error.value = 'Error loading video: ' + err.message
+      state.value = 'error'
+    }
+  }
+
+  return { state, videoId, title, publishDate, viewCount, error, fetchLatest }
+})