diff --git a/src/applications/base/PhabricatorApplication.php b/src/applications/base/PhabricatorApplication.php
index c3f1ff2438..bed89ed741 100644
--- a/src/applications/base/PhabricatorApplication.php
+++ b/src/applications/base/PhabricatorApplication.php
@@ -74,10 +74,6 @@ abstract class PhabricatorApplication
     return empty($uninstalled[get_class($this)]);
   }
 
-  public static function isClassInstalled($class) {
-    return self::getByClass($class)->isInstalled();
-  }
-
   public function isBeta() {
     return false;
   }
@@ -288,6 +284,7 @@ abstract class PhabricatorApplication
 
 /* -(  Application Management  )--------------------------------------------- */
 
+
   public static function getByClass($class_name) {
     $selected = null;
     $applications = PhabricatorApplication::getAllApplications();
@@ -345,6 +342,48 @@ abstract class PhabricatorApplication
   }
 
 
+  /**
+   * Determine if an application is installed, by application class name.
+   *
+   * To check if an application is installed //and// available to a particular
+   * viewer, user @{method:isClassInstalledForViewer}.
+   *
+   * @param string  Application class name.
+   * @return bool   True if the class is installed.
+   * @task meta
+   */
+  public static function isClassInstalled($class) {
+    return self::getByClass($class)->isInstalled();
+  }
+
+
+  /**
+   * Determine if an application is installed and available to a viewer, by
+   * application class name.
+   *
+   * To check if an application is installed at all, use
+   * @{method:isClassInstalled}.
+   *
+   * @param string Application class name.
+   * @param PhabricatorUser Viewing user.
+   * @return bool True if the class is installed for the viewer.
+   * @task meta
+   */
+  public static function isClassInstalledForViewer(
+    $class,
+    PhabricatorUser $viewer) {
+
+    if (!self::isClassInstalled($class)) {
+      return false;
+    }
+
+    return PhabricatorPolicyFilter::hasCapability(
+      $viewer,
+      self::getByClass($class),
+      PhabricatorPolicyCapability::CAN_VIEW);
+  }
+
+
 /* -(  PhabricatorPolicyInterface  )----------------------------------------- */
 
 
diff --git a/src/applications/home/controller/PhabricatorHomeMainController.php b/src/applications/home/controller/PhabricatorHomeMainController.php
index 488d73da66..057f68f47b 100644
--- a/src/applications/home/controller/PhabricatorHomeMainController.php
+++ b/src/applications/home/controller/PhabricatorHomeMainController.php
@@ -33,9 +33,21 @@ final class PhabricatorHomeMainController
 
   private function buildMainResponse($nav, array $projects) {
     assert_instances_of($projects, 'PhabricatorProject');
+    $viewer = $this->getRequest()->getUser();
 
-    $maniphest = 'PhabricatorApplicationManiphest';
-    if (PhabricatorApplication::isClassInstalled($maniphest)) {
+    $has_maniphest = PhabricatorApplication::isClassInstalledForViewer(
+      'PhabricatorApplicationManiphest',
+      $viewer);
+
+    $has_audit = PhabricatorApplication::isClassInstalledForViewer(
+      'PhabricatorApplicationAudit',
+      $viewer);
+
+    $has_differential = PhabricatorApplication::isClassInstalledForViewer(
+      'PhabricatorApplicationDifferential',
+      $viewer);
+
+    if ($has_maniphest) {
       $unbreak_panel = $this->buildUnbreakNowPanel();
       $triage_panel = $this->buildNeedsTriagePanel($projects);
       $tasks_panel = $this->buildTasksPanel();
@@ -45,8 +57,7 @@ final class PhabricatorHomeMainController
       $tasks_panel = null;
     }
 
-    $audit = 'PhabricatorApplicationAudit';
-    if (PhabricatorApplication::isClassInstalled($audit)) {
+    if ($has_audit) {
       $audit_panel = $this->buildAuditPanel();
       $commit_panel = $this->buildCommitPanel();
     } else {
@@ -61,7 +72,12 @@ final class PhabricatorHomeMainController
     }
 
     $jump_panel = $this->buildJumpPanel();
-    $revision_panel = $this->buildRevisionPanel();
+
+    if ($has_differential) {
+      $revision_panel = $this->buildRevisionPanel();
+    } else {
+      $revision_panel = null;
+    }
 
     $content = array(
       $jump_panel,