diff --git a/app/templates/dashboard.html b/app/templates/dashboard.html
index 3dc9232..c677019 100644
--- a/app/templates/dashboard.html
+++ b/app/templates/dashboard.html
@@ -24,7 +24,22 @@
         </div>
     </section>
 
-    <main x-data="{ tab: 'active', search: '' }">
+    <script>
+        // État du dashboard (#21/#22) : la vue grille/liste survit au
+        // rechargement (localStorage), lue avant qu'Alpine démarre.
+        function dashState() {
+            var view = 'grid';
+            try { view = localStorage.getItem('kanbante-dash-view') || 'grid'; } catch (e) { /* défaut */ }
+            return {
+                tab: 'active', search: '', view: view,
+                setView: function (v) {
+                    this.view = v;
+                    try { localStorage.setItem('kanbante-dash-view', v); } catch (e) { /* non-fatal */ }
+                }
+            };
+        }
+    </script>
+    <main x-data="dashState()">
         <!-- Tabs: "actif" = mis à jour dans la fenêtre glissante;
              "archivé" = le vrai drapeau Gitea (repo.archived). -->
         <div class="tabs">
@@ -46,10 +61,34 @@
             <kbd class="kbd">/</kbd>
         </div>
 
+        <!-- Outils d'affichage (#21 tri/regroupement, #22 vue liste) :
+             pilotés par dashboard.js, préférences en localStorage. -->
+        <div class="dash-tools">
+            <label class="dash-tool">↕️ Tri
+                <select id="dash-sort">
+                    <option value="default">Par défaut</option>
+                    <option value="updated">Activité Gitea récente</option>
+                    <option value="activity">Activité kanban récente</option>
+                    <option value="open">Issues ouvertes ↓</option>
+                    <option value="name">Nom A → Z</option>
+                </select>
+            </label>
+            <label class="dash-tool dash-tool-check">
+                <input type="checkbox" id="dash-group"> 🗂️ Grouper par propriétaire
+            </label>
+            <div class="dash-view-toggle" role="group" aria-label="Mode d'affichage">
+                <button type="button" :class="{ active: view === 'grid' }" @click="setView('grid')">▦ Grille</button>
+                <button type="button" :class="{ active: view === 'list' }" @click="setView('list')">☰ Liste</button>
+            </div>
+        </div>
+
         {% macro project_card(repo, archived=False) %}
             {% set full = repo.full_name %}
             <div class="project-card{% if archived %} archived{% endif %}"
                  data-full="{{ full }}" data-home="{{ repo.home_tab or '' }}"
+                 data-name="{{ repo.name|lower }}" data-owner="{{ repo.owner.login }}"
+                 data-updated="{{ repo.updated_at }}" data-open="{{ repo.open_issues_count or 0 }}"
+                 data-activity="{{ repo.activity.last_at if repo.activity else '' }}"
                  data-search="{{ (repo.name ~ ' ' ~ repo.full_name ~ ' ' ~ (repo.description or ''))|lower }}"
                  x-show="search === '' || $el.dataset.search.includes(search.toLowerCase())">
                 <div class="card-header">
@@ -60,6 +99,19 @@
                     <span class="date">{{ repo.updated_at[:10] }}</span>
                     {% if not archived %}
                     <button type="button" class="star-btn" data-full="{{ full }}" data-starred="{{ 1 if repo.starred else 0 }}" title="{{ 'Désépingler (étoile Gitea)' if repo.starred else 'Épingler (étoile Gitea)' }}" aria-label="Épingler {{ repo.name }}">{{ '⭐' if repo.starred else '☆' }}</button>
+                    <div class="card-menu-wrap">
+                        <button type="button" class="card-menu-btn" data-menu-btn aria-haspopup="true" aria-expanded="false" title="Actions rapides pour {{ repo.name }}" aria-label="Actions rapides pour {{ repo.name }}">⋯</button>
+                        <div class="card-menu" hidden>
+                            <a href="/board/{{ full }}">📋 Board</a>
+                            <a href="/capture?repo={{ full|urlencode }}">⚡ Capturer ici</a>
+                            <a href="/triage/{{ full }}">📥 Triage du backlog</a>
+                            <a href="/health/{{ full }}">🩺 Santé</a>
+                            <a href="/sprint/{{ full }}">📖 Récit de sprint</a>
+                            {% if repo.html_url %}
+                            <a href="{{ repo.html_url }}" target="_blank" rel="noopener">🔗 Gitea ↗</a>
+                            {% endif %}
+                        </div>
+                    </div>
                     {% endif %}
                 </div>
                 <h3>
@@ -107,9 +159,62 @@
                     </div>
                     {% endif %}
                 </div>
+                {% if repo.activity %}
+                <div class="activity-line">
+                    {% if repo.activity.closed or repo.activity.moved %}
+                    📈 {{ repo.activity.closed }} fermée(s) · {{ repo.activity.moved }} déplacement(s) cette semaine
+                    {% elif repo.activity.idle_days is not none and repo.activity.idle_days > 7 %}
+                    💤 aucune activité kanban depuis {{ repo.activity.idle_days }} j
+                    {% endif %}
+                </div>
+                {% endif %}
             </div>
         {% endmacro %}
 
+        {% macro project_row(repo, archived=False) %}
+            {% set full = repo.full_name %}
+            {% set st = stats.get(full, {}) %}
+            <tr data-name="{{ repo.name|lower }}" data-owner="{{ repo.owner.login|lower }}"
+                data-open="{{ repo.open_issues_count or 0 }}"
+                data-inflight="{{ (st.get('in_progress', 0) + st.get('qa', 0) + st.get('review', 0)) }}"
+                data-updated="{{ repo.updated_at }}"
+                data-search="{{ (repo.name ~ ' ' ~ repo.full_name ~ ' ' ~ (repo.description or ''))|lower }}"
+                x-show="search === '' || $el.dataset.search.includes(search.toLowerCase())">
+                <td><a href="/project/{{ full }}"><strong>{{ repo.name }}</strong></a></td>
+                <td>{{ repo.owner.login }}</td>
+                <td>{{ repo.open_issues_count or 0 }}</td>
+                <td>{{ st.get('in_progress', 0) + st.get('qa', 0) + st.get('review', 0) }}</td>
+                <td>{% if repo.next_milestone %}🎯 {{ repo.next_milestone.title }}{% if repo.next_milestone.late %} ⚠️{% endif %}{% else %}—{% endif %}</td>
+                <td>{% if repo.health_dot %}<a href="/health/{{ full }}" class="health-dot {{ repo.health_dot.level }}" title="{{ repo.health_dot.tooltip }}" aria-label="Santé : {{ repo.health_dot.tooltip }}"></a>{% else %}—{% endif %}</td>
+                <td>{{ repo.updated_at[:10] }}</td>
+            </tr>
+        {% endmacro %}
+
+        {% macro project_table(repos, tab_name, archived=False) %}
+        <div x-show="tab === '{{ tab_name }}'">
+            <table class="proj-table">
+                <thead>
+                    <tr>
+                        <th data-sort="name">Projet</th>
+                        <th data-sort="owner">Propriétaire</th>
+                        <th data-sort="open">Ouvertes</th>
+                        <th data-sort="inflight">En vol</th>
+                        <th>Prochain jalon</th>
+                        <th>Santé</th>
+                        <th data-sort="updated">Dernière activité</th>
+                    </tr>
+                </thead>
+                <tbody>
+                    {% for repo in repos %}{{ project_row(repo, archived) }}{% endfor %}
+                </tbody>
+            </table>
+            {% if not repos %}
+            <div class="empty-state">Aucun projet dans cette vue.</div>
+            {% endif %}
+        </div>
+        {% endmacro %}
+
+        <div x-show="view === 'grid'">
         <!-- Épinglés (#20) : les dépôts étoilés dans Gitea, hors onglets. -->
         <section id="pinned-section"{% if not pinned_repos %} hidden{% endif %}>
             <h3 class="pinned-title">⭐ Épinglés</h3>
@@ -138,6 +243,14 @@
             <div class="empty-state">🗄️ Aucun projet archivé. L'archivage se fait dans Gitea (Réglages du dépôt).</div>
             {% endif %}
         </div>
+        </div>
+
+        <!-- Vue liste dense (#22) : mêmes onglets, mêmes données. -->
+        <div x-show="view === 'list'">
+            {{ project_table(active_repos, 'active') }}
+            {{ project_table(inactive_repos, 'inactive') }}
+            {{ project_table(archived_repos, 'archived', archived=True) }}
+        </div>
     </main>
 
     <footer>
@@ -146,6 +259,7 @@
     <script src="/static/js/live.js" defer></script>
     <script>window.KANBANTE_CSRF = "{{ csrf_token }}";</script>
     <script src="/static/js/stars.js" defer></script>
+    <script src="/static/js/dashboard.js" defer></script>
     <script>
         document.addEventListener('keydown', function (e) {
             if (e.key === '/' && !/INPUT|TEXTAREA/.test(document.activeElement?.tagName || '')) {
diff --git a/static/css/style.css b/static/css/style.css
index 27cc75a..cd3dbd6 100644
--- a/static/css/style.css
+++ b/static/css/style.css
@@ -1371,3 +1371,75 @@ body.sidebar-collapsed .side-foot { justify-content: center; }
 .proj-dim { color: var(--text-3); }
 .proj-empty { color: var(--text-2); font-size: 0.92rem; }
 .proj-notes-body { white-space: pre-wrap; font-size: 0.93rem; background: var(--surface-2); border-radius: 10px; padding: 12px 14px; }
+
+/* ── Dashboard vague 2 suite (0.18.0, #19 #21 #22 #23) ── */
+.activity-line { margin-top: 8px; font-size: 0.82rem; color: var(--text-2); }
+.dash-tools {
+    display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
+    padding: 0 24px; margin: 4px 0 14px;
+}
+.dash-tool { display: inline-flex; align-items: center; gap: 8px; font-size: 0.88rem; color: var(--text-2); }
+.dash-tool select {
+    background: var(--surface-2); color: var(--text);
+    border: 1px solid var(--border); border-radius: 8px; padding: 6px 8px;
+}
+.dash-tool-check input { width: 17px; height: 17px; accent-color: #7c5cfc; }
+.dash-view-toggle { margin-left: auto; display: inline-flex; border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
+.dash-view-toggle button {
+    background: var(--surface-1); color: var(--text-2); border: none;
+    padding: 7px 14px; cursor: pointer; font-size: 0.88rem;
+}
+.dash-view-toggle button.active { background: var(--surface-3, #1d2942); color: var(--text); font-weight: 700; }
+.owner-group { grid-column: 1 / -1; }
+.owner-head {
+    display: flex; justify-content: space-between; align-items: center;
+    width: 100%; padding: 9px 12px; margin-bottom: 10px; cursor: pointer;
+    background: var(--surface-1); color: var(--text);
+    border: 1px solid var(--border); border-radius: 10px;
+    font-size: 0.95rem; font-weight: 700;
+}
+.owner-head:hover { border-color: var(--accent, #58a6ff); }
+.owner-head .owner-chevron { transition: transform 0.2s ease; font-size: 0.7rem; }
+.owner-head[aria-expanded="false"] .owner-chevron { transform: rotate(-90deg); }
+.owner-grid { padding: 0 !important; }
+.card-menu-wrap { position: relative; }
+.card-menu-btn {
+    background: transparent; border: none; cursor: pointer;
+    color: var(--text-2); font-size: 1.15rem; font-weight: 800;
+    padding: 2px 7px; border-radius: 8px; line-height: 1;
+}
+.card-menu-btn:hover { background: var(--surface-2); color: var(--text); }
+.card-menu {
+    position: absolute; right: 0; top: calc(100% + 6px); z-index: 60;
+    min-width: 210px; display: flex; flex-direction: column; gap: 2px;
+    background: var(--surface-1); border: 1px solid var(--border);
+    border-radius: 12px; padding: 6px;
+    box-shadow: 0 14px 34px rgba(0, 0, 0, 0.45);
+}
+.card-menu[hidden] { display: none !important; }
+.card-menu a {
+    display: flex; align-items: center; min-height: 32px;
+    padding: 8px 10px; border-radius: 8px;
+    color: var(--text-2); font-size: 0.92rem;
+}
+.card-menu a:hover { background: var(--surface-2); color: var(--text); text-decoration: none; }
+.proj-table {
+    width: calc(100% - 48px); margin: 0 24px 18px;
+    border-collapse: collapse; font-size: 0.93rem;
+    background: var(--surface-1); border: 1px solid var(--border);
+    border-radius: 12px; overflow: hidden;
+}
+.proj-table th, .proj-table td {
+    text-align: left; padding: 10px 14px;
+    border-bottom: 1px solid var(--border);
+}
+.proj-table thead th { color: var(--text-2); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.06em; }
+.proj-table th.sortable { cursor: pointer; }
+.proj-table th.sortable:hover { color: var(--text); }
+.proj-table th[data-dir="asc"]::after { content: " ↑"; }
+.proj-table th[data-dir="desc"]::after { content: " ↓"; }
+.proj-table tbody tr:hover { background: var(--surface-2); }
+@media (max-width: 900px) {
+    .proj-table { display: block; overflow-x: auto; }
+    .dash-view-toggle { margin-left: 0; }
+}
diff --git a/static/js/dashboard.js b/static/js/dashboard.js
new file mode 100644
index 0000000..b45f243
--- /dev/null
+++ b/static/js/dashboard.js
@@ -0,0 +1,186 @@
+/**
+ * Kanbante — dashboard display tools (issues #21, #22, #23).
+ * Sort + group-by-owner for the card grids, sortable dense tables,
+ * and the per-card quick-actions menu. Preferences live in
+ * localStorage; the server markup stays the single source.
+ */
+(function () {
+    var LS_SORT = 'kanbante-dash-sort';
+    var LS_GROUP = 'kanbante-dash-group';
+    var LS_OWNERS = 'kanbante-dash-owners-closed';
+
+    function lsGet(key, fallback) {
+        try {
+            var v = localStorage.getItem(key);
+            return v === null ? fallback : v;
+        } catch (e) { return fallback; }
+    }
+    function lsSet(key, value) {
+        try { localStorage.setItem(key, value); } catch (e) { /* non-fatal */ }
+    }
+
+    /* ── Tri des grilles de cartes ─────────────────────────── */
+    var sortSelect = document.getElementById('dash-sort');
+    var grids = ['grid-active', 'grid-inactive', 'grid-archived']
+        .map(function (id) { return document.getElementById(id); })
+        .filter(Boolean);
+
+    function cardKey(card, mode) {
+        if (mode === 'name') return (card.getAttribute('data-name') || '').toLowerCase();
+        if (mode === 'open') return -(parseInt(card.getAttribute('data-open') || '0', 10));
+        if (mode === 'updated') return card.getAttribute('data-updated') || '';
+        if (mode === 'activity') return card.getAttribute('data-activity') || '';
+        return null; // 'default' : ordre serveur, on ne touche à rien
+    }
+    function sortCards(container, mode) {
+        var cards = Array.prototype.slice.call(
+            container.querySelectorAll('.project-card'));
+        if (mode === 'default' || !cards.length) return;
+        cards.sort(function (a, b) {
+            var ka = cardKey(a, mode), kb = cardKey(b, mode);
+            if (ka < kb) return mode === 'name' ? -1 : 1;
+            if (ka > kb) return mode === 'name' ? 1 : -1;
+            return 0;
+        });
+        cards.forEach(function (c) { container.appendChild(c); });
+    }
+    function applySort() {
+        var mode = sortSelect ? sortSelect.value : 'default';
+        lsSet(LS_SORT, mode);
+        grids.forEach(function (grid) {
+            if (groupToggle && groupToggle.checked) {
+                grid.querySelectorAll('.owner-grid').forEach(function (og) {
+                    sortCards(og, mode);
+                });
+            } else {
+                sortCards(grid, mode);
+            }
+        });
+    }
+
+    /* ── Regroupement par propriétaire ─────────────────────── */
+    var groupToggle = document.getElementById('dash-group');
+    function closedOwners() {
+        try { return JSON.parse(lsGet(LS_OWNERS, '[]')); } catch (e) { return []; }
+    }
+    function setOwnerClosed(owner, closed) {
+        var list = closedOwners().filter(function (o) { return o !== owner; });
+        if (closed) list.push(owner);
+        lsSet(LS_OWNERS, JSON.stringify(list));
+    }
+    function groupGrid(grid) {
+        var cards = Array.prototype.slice.call(
+            grid.querySelectorAll(':scope > .project-card'));
+        if (!cards.length) return;
+        var byOwner = {};
+        cards.forEach(function (c) {
+            var o = c.getAttribute('data-owner') || '—';
+            (byOwner[o] = byOwner[o] || []).push(c);
+        });
+        Object.keys(byOwner).sort().forEach(function (owner) {
+            var wrap = document.createElement('div');
+            wrap.className = 'owner-group';
+            var head = document.createElement('button');
+            head.type = 'button';
+            head.className = 'owner-head';
+            var closed = closedOwners().indexOf(owner) >= 0;
+            head.setAttribute('aria-expanded', closed ? 'false' : 'true');
+            head.innerHTML = '<span>🗂️ ' + owner + ' (' + byOwner[owner].length + ')</span><span class="owner-chevron">▾</span>';
+            var body = document.createElement('div');
+            body.className = 'project-grid owner-grid';
+            if (closed) body.hidden = true;
+            head.addEventListener('click', function () {
+                body.hidden = !body.hidden;
+                head.setAttribute('aria-expanded', body.hidden ? 'false' : 'true');
+                setOwnerClosed(owner, body.hidden);
+            });
+            byOwner[owner].forEach(function (c) { body.appendChild(c); });
+            wrap.appendChild(head);
+            wrap.appendChild(body);
+            grid.appendChild(wrap);
+        });
+    }
+    function ungroupGrid(grid) {
+        grid.querySelectorAll('.owner-group').forEach(function (wrap) {
+            var body = wrap.querySelector('.owner-grid');
+            Array.prototype.slice.call(body.querySelectorAll('.project-card'))
+                .forEach(function (c) { grid.appendChild(c); });
+            wrap.remove();
+        });
+    }
+    function applyGrouping() {
+        var on = !!(groupToggle && groupToggle.checked);
+        lsSet(LS_GROUP, on ? '1' : '0');
+        grids.forEach(function (grid) {
+            ungroupGrid(grid);
+            if (on) groupGrid(grid);
+        });
+        applySort();
+    }
+
+    if (sortSelect) {
+        sortSelect.value = lsGet(LS_SORT, 'default');
+        sortSelect.addEventListener('change', applySort);
+    }
+    if (groupToggle) {
+        groupToggle.checked = lsGet(LS_GROUP, '0') === '1';
+        groupToggle.addEventListener('change', applyGrouping);
+    }
+    applyGrouping(); // applique regroupement + tri mémorisés
+
+    /* ── Menu ⋯ d'actions rapides (#23) ────────────────────── */
+    function closeMenus() {
+        document.querySelectorAll('.card-menu').forEach(function (m) {
+            m.hidden = true;
+        });
+        document.querySelectorAll('[data-menu-btn]').forEach(function (b) {
+            b.setAttribute('aria-expanded', 'false');
+        });
+    }
+    document.querySelectorAll('[data-menu-btn]').forEach(function (btn) {
+        btn.addEventListener('click', function (e) {
+            e.stopPropagation();
+            var menu = btn.parentElement.querySelector('.card-menu');
+            var willOpen = menu.hidden;
+            closeMenus();
+            if (willOpen) {
+                menu.hidden = false;
+                btn.setAttribute('aria-expanded', 'true');
+            }
+        });
+    });
+    document.addEventListener('click', closeMenus);
+    document.addEventListener('keydown', function (e) {
+        if (e.key === 'Escape') closeMenus();
+    });
+
+    /* ── Tri des tableaux denses (#22) ─────────────────────── */
+    document.querySelectorAll('.proj-table').forEach(function (table) {
+        var tbody = table.querySelector('tbody');
+        table.querySelectorAll('th[data-sort]').forEach(function (th) {
+            th.classList.add('sortable');
+            th.addEventListener('click', function () {
+                var key = th.getAttribute('data-sort');
+                var dir = th.getAttribute('data-dir') === 'asc' ? 'desc' : 'asc';
+                table.querySelectorAll('th').forEach(function (h) {
+                    h.removeAttribute('data-dir');
+                });
+                th.setAttribute('data-dir', dir);
+                var rows = Array.prototype.slice.call(tbody.querySelectorAll('tr'));
+                rows.sort(function (a, b) {
+                    var va = a.getAttribute('data-' + key) || '';
+                    var vb = b.getAttribute('data-' + key) || '';
+                    var na = parseFloat(va), nb = parseFloat(vb);
+                    var cmp;
+                    if (!isNaN(na) && !isNaN(nb) && va !== '' && vb !== '') {
+                        cmp = na - nb;
+                    } else {
+                        cmp = va < vb ? -1 : (va > vb ? 1 : 0);
+                    }
+                    return dir === 'asc' ? cmp : -cmp;
+                });
+                rows.forEach(function (r) { tbody.appendChild(r); });
+            });
+        });
+    });
+})();